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159 results on '"Suzuki, Tsugutoshi"'

1. Efficacy of SubcutAneous implantable cardioVErter-defibrillators in ≤18 year-old CHILDREN: SAVE-CHILDREN registry

Author

Mori, Hitoshi, Sumitomo, Naokata, Tsutsui, Kenta, Fukunaga, Hideo, Hayashi, Hidemori, Nakajima, Hiroshi, Muraji, Shota, Nabeshima, Taisuke, Kawano, Daisuke, Ikeda, Yoshifumi, Asano, So, Nitta, Junichi, Watanabe, Shigeo, Hokosaki, Tatsunori, Sato, Seiichi, Chisaka, Toshiyuki, Higaki, Takashi, Nakajima, Tadashi, Tamura, Shuntaro, Kaneko, Yoshiaki, Ikeda, Kentaro, Okada, Ayako, Kobayashi, Hideki, Motoki, Hirohiko, Minamiguchi, Hitoshi, Imamura, Tomohiko, Shizuta, Satoshi, Kawamura, Mitsuharu, Munetsugu, Yumi, Suzuki, Tsugutoshi, Murakami, Takashi, Horigome, Hitoshi, Wada, Tsutomu, Takamuro, Motoki, Ozawa, Junichi, Suzuki, Hiroshi, Izumi, Daisuke, Otsuki, Sou, Chinushi, Masaomi, Kato, Ken, Miura, Masaru, Maeda, Jun, Fukunaga, Masato, Kondo, Hidekazu, Takahashi, Naohiko, Tobiume, Takeshi, Morishima, Itsuro, Kuraishi, Kenji, Nakamura, Kentaro, Hayashi, Hiroshi, Suzuki, Hirohiko, Yoshida, Yukihiko, Fukamizu, Seiji, Hojo, Rintaro, Nuruki, Norihito, Yoshinaga, Masao, Hayashi, Kentaro, Fukaya, Hidehira, Kishihara, Jun, Kobayashi, Toshiki, and Kato, Ritsushi

Published
2023
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2. Catheter Ablation of Tachycardia Involving Twin/Single Atrioventricular Node in Patients With Right Isomerism.

Author

Terashi, Eiko, Suzuki, Tsugutoshi, Yoshida, Yoko, Fukudome, Keisuke, and Nakamura, Yoshihide

Abstract

Aims: In addition to well‐documented tachycardias involving twin atrioventricular (AV) nodes, tachycardias involving a single node have been clinically experienced in right atrial isomerism (RAI). This study aimed to characterize the AV node involvement patterns and evaluate the outcome of ablation therapy in RAI patients with tachycardias. Methods: We retrospectively analyzed the medical records of 16 RAI patients who underwent catheter ablation of tachycardias involving twin or single AV nodes at our center between April 2006 and March 2020. Results: A total of 22 ablation procedures were performed in 16 patients. The median age and body weight were 2 years (range 20 months–31 years) and 11.2 kg (range 7.4–42 kg), respectively. Two QRS complexes were confirmed in 11/16 patients, and a single QRS complex in 5/16. The dominant AV node was anterior in 7/16. Four patterns of tachycardias were identified: tachycardias reciprocating between two AV nodes with retrograde conduction through the anterior AV node (3/16) or through the posterior AV node (4/16); and reentrant tachycardias involving the anterior AV node only (3/16) or posterior AV node only (6/16). Ablation successfully eliminated the tachycardias in 15/16 patients (93.8%). Recurrence was reported in 7/16 (44%) during a median follow‐up period of 96.5 months. Five of those 7 patients underwent additional ablation, and the tachycardias were eliminated in 3/5 patients. None of the patients developed ventricular asynchrony after ablation. Conclusion: Transcatheter ablation was effective in RAI patients with tachycardias involving twin or single AV nodes, and deterioration of the cardiac function was rare. [ABSTRACT FROM AUTHOR]

Published
2024
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4. Valley Index as a Predictor of Prenatal Diagnosis of Total Anomalous Pulmonary Venous Connection.

Author

Maruyama, Wakako, Kawasaki, Yuki, Murakami, Yosuke, Fujino, Mitsuhiro, Sasaki, Takeshi, Nakamura, Kae, Yoshida, Yoko, Suzuki, Tsugutoshi, Kurosaki, Kenichi, Hayashi, Taiyu, Ono, Hiroshi, and Ehara, Eiji

Subjects
FETAL echocardiography, SHEAR waves, CONGENITAL heart disease, PULMONARY veins, GESTATIONAL age
Abstract

Introduction: Total anomalous pulmonary venous connection (TAPVC) has a low prenatal diagnostic rate. Therefore, we investigated whether Doppler waveforms with a low pulsatility in the pulmonary veins can indicate fetal TAPVC. Methods: This retrospective study included 16 fetuses with TAPVC, including 10 with complex congenital heart disease and 104 healthy fetuses that underwent fetal echocardiography. Pulmonary venous S and D wave flow velocities and the valley (representing the lowest velocity between the S and D waves) were measured. Valley indices I and II were then calculated as (velocity of valley/greater of the S and D wave velocities) and (velocity of valley/lesser of the S and D wave velocities), respectively. Results: Supra/infracardiac TAPVC cases exhibited significantly greater valley indices than that of the healthy group. After adjusting for gestational age at fetal echocardiography, valley indices I (odds ratio [OR] 7.26, p < 0.01) and II (OR: 9.23, p < 0.01) were significant predictors of supra/infracardiac TAPVC. Furthermore, valley indices I and II exhibited a high area under the curve for detecting supra/infracardiac TAPVC, regardless of the presence of pulmonary venous obstruction. Conclusion: The valley index may be a useful tool for the detection of fetal TAPVC. Plain Language Summary: Total anomalous pulmonary venous connection (TAPVC) requires urgent intervention after birth. Furthermore, prenatal diagnosis is essential to improve the postnatal clinical course. However, fetuses with TAPVC show no identifying characteristics of the disease in echocardiographic images, producing a low prenatal diagnostic rate. Our research proposes a "valley index" to objectively quantify the low pulsatility of pulmonary venous waveforms in fetuses and serve as an indicator of fetal TAPVC. The study sample consisted of 16 fetuses with TAPVC, including 10 with complex congenital heart disease and 104 healthy fetuses. The valley index was calculated using velocities of the S wave, D wave, and valley between the waves. The valley indices were significantly higher in the groups with supracardiac and infracardiac TAPVC than in the healthy control group; indicating that it was a significant predictor of the two types of TAPVC. The optimal cutoff value of the valley index was calculated, showing high sensitivity and specificity for the detection of fetal TAPVC. Therefore, the valley index may be a useful tool for the prenatal detection of TAPVC. [ABSTRACT FROM AUTHOR]

Published
2024
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7. Study design for control of HEART rate in inFant and child tachyarrhythmia with heart failure Using Landiolol (HEARTFUL): A prospective, multicenter, uncontrolled clinical trial

Author

Sumitomo, Naokata, Horigome, Hitoshi, Miura, Masaru, Ono, Hiroshi, Ueda, Hideaki, Takigiku, Kiyohiro, Yoshimoto, Jun, Ohashi, Naoki, Suzuki, Tsugutoshi, Sagawa, Koichi, Ushinohama, Hiroya, Takahashi, Kazuhiro, Miyazaki, Aya, Sakaguchi, Heima, Iwamoto, Mari, Takamuro, Motoki, Tokunaga, Chiho, and Nagano, Tetsuji

Published
2017
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9. Control of Heart Rate in Infant and Child Tachyarrhythmia With Reduced Cardiac Function Using Landiolol (HEARTFUL) ― Results of a Prospective, Multicenter, Uncontrolled Clinical Study ―

Author

Sagawa, Koichi, primary, Suzuki, Tsugutoshi, additional, Takei, Kohta, additional, Miura, Masaru, additional, Ueda, Hideaki, additional, Horigome, Hitoshi, additional, Ono, Hiroshi, additional, Ohashi, Naoki, additional, Sato, Seiichi, additional, Fukunaga, Hideo, additional, Aoki, Hisaaki, additional, Miyazaki, Aya, additional, Sakaguchi, Heima, additional, Morishima, Eiichiro, additional, Oki, Kaori, additional, and Sumitomo, Naokata, additional

Published
2022
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16. Efficacy of Subcutaneous Implantable CardioVErter-Defibrillator ≤ 18 Year-Old CHILDREN: SAVE-CHILDREN Registry

Author

Mori, Hitoshi, primary, Sumitomo, Naokata, additional, Tsutsui, Kenta, additional, Fukunaga, Hideo, additional, Hayashi, Hidemori, additional, Nakajima, Hiroshi, additional, Muraji, Shota, additional, Nabeshima, Taisuke, additional, Kawano, Daisuke, additional, Ikeda, Yoshifumi, additional, Asano, So, additional, Nitta, Junichi, additional, Watanabe, Shigeo, additional, Hokosaki, Tatsunori, additional, Sato, Seiichi, additional, Chisaka, Toshiyuki, additional, Higaki, Takashi, additional, Nakajima, Tadashi, additional, Tamura, Shuntaro, additional, Kaneko, Yoshiaki, additional, Ikeda, Kentaro, additional, Okada, Ayako, additional, Kobayashi, Hideki, additional, Motoki, Hirohiko, additional, Minamiguchi, Hitoshi, additional, Imamura, Tomohiko, additional, Shizuta, Satoshi, additional, Kawamura, Mitsuharu, additional, Munetsugu, Yumi, additional, Suzuki, Tsugutoshi, additional, Murakami, Takashi, additional, Horigome, Hitoshi, additional, Wada, Tsutomu, additional, Takamuro, Motoki, additional, Ozawa, Junichi, additional, Suzuki, Hiroshi, additional, Izumi, Daisuke, additional, Otsuki, Sou, additional, Cinushi, Masaomi, additional, Kato, Ken, additional, Miura, Masaru, additional, Maeda, Jun, additional, Fukunaga, Masato, additional, Kondo, Hidekazu, additional, Takahashi, Naohiko, additional, Tobiume, Takeshi, additional, Morishima, Itsuro, additional, Kuraishi, Kenji, additional, Nakamura, Kentaro, additional, Hayashi, Hiroshi, additional, Suzuki, Hirohiko, additional, Yoshida, Yukihiko, additional, Fukamizu, Seiji, additional, Hojo, Rintaro, additional, Nuruki, Norihito, additional, Yoshinaga, Masao, additional, Hayashi, Kentaro, additional, Fukaya, Hidehira, additional, Kishihara, Jun, additional, Kobayashi, Toshiki, additional, and Kato, Ritsushi, additional

Published
2022
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19. A double-barrelled aorta with high aortic Arch

Author

Oshitani, Tomoaki, primary, Kawasaki, Yuki, additional, Murakami, Yosuke, additional, Fujino, Mitsuhiro, additional, Sasaki, Takeshi, additional, Nakamura, Kae, additional, Yoshida, Yoko, additional, Suzuki, Tsugutoshi, additional, and Ehara, Eiji, additional

Published
2021
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20. Platelet count and abdominal dynamic CT are useful in predicting and screening for gastroesophageal varices after Fontan surgery

Author

Isoura, Yoshiharu, primary, Yamamoto, Akira, additional, Cho, Yuki, additional, Ehara, Eiji, additional, Jogo, Atsushi, additional, Suzuki, Tsugutoshi, additional, Amano-Teranishi, Yuga, additional, Kioka, Kiyohide, additional, Hamazaki, Takashi, additional, Murakami, Yosuke, additional, and Tokuhara, Daisuke, additional

Published
2021
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24. Assessing liver stiffness with conventional cut‐off values overestimates liver fibrosis staging in patients who received the Fontan procedure

Author

Cho, Yuki, Kabata, Daijiro, Ehara, Eiji, Yamamoto, Akira, Mizuochi, Tatsuki, Mushiake, Sotaro, Kusano, Hironori, Kuwae, Yuko, Suzuki, Tsugutoshi, Uchida-Kobayashi, Sawako, Morikawa, Hiroyasu, Amano-Teranishi, Yuga, Kioka, Kiyohide, Jogo, Atsushi, Isoura, Yoshiharu, Hamazaki, Takashi, Murakami, Yosuke, Tokuhara, Daisuke, Cho, Yuki, Kabata, Daijiro, Ehara, Eiji, Yamamoto, Akira, Mizuochi, Tatsuki, Mushiake, Sotaro, Kusano, Hironori, Kuwae, Yuko, Suzuki, Tsugutoshi, Uchida-Kobayashi, Sawako, Morikawa, Hiroyasu, Amano-Teranishi, Yuga, Kioka, Kiyohide, Jogo, Atsushi, Isoura, Yoshiharu, Hamazaki, Takashi, Murakami, Yosuke, and Tokuhara, Daisuke

Abstract

研究グループは、Fontan術後の長期経過における合併症として、従来の検査手法(超音波エラストグラフィや血液検査)では的確な評価が難しい特異な肝線維化の進展が認められることを明らかにしました。先天性の複雑心疾患に対するFontan手術は、国内で年間400件近く行われる頻度の高い手術です。22名の術後患者(術後中央値14.7年)の方々から肝組織を採取し、従来の検査手法(超音波エラストグラフィや血液検査)が組織学的な線維化の程度を反映するのか検討しました。その結果、中程度の線維化が半数以上に、高度な線維化が約3割の方々に認められ、それらの線維化は一般的な肝硬変とは異なり類洞域を中心とした特異なパターンを示すことがわかりました。さらに、肝硬度は術後経時的に上昇するにもかかわらず、門脈圧の影響を受け組織学的な線維化を的確に反映せず、また、線維化マーカーとして用いられる4型コラーゲンやFIB-4 indexなどの血液マーカーも組織学的線維化を反映しないことがわかりました。, Aim: Patients who undergo the Fontan procedure for complex congenital heart disease are prone to liver cirrhosis. Liver stiffness (LS) reflects liver fibrosis stage in patients with chronic viral hepatitis; however, its accuracy in predicting liver fibrosis stage in Fontan patients is controversial. We aimed to clarify the correlation between LS and liver fibrosis stage in Fontan patients....

Published
2021

25. Fetal Case of Rare Association of Hypoplastic Left Heart Syndrome and Absent Atrial Septum Accompanied by Mixed Form of Supracardiac Total Anomalous Pulmonary Venous Connection

Author

Maruyama, Wakako, primary, Kawasaki, Yuki, additional, Murakami, Yosuke, additional, Fujino, Mitsuhiro, additional, Sasaki, Takeshi, additional, Nakamura, Kae, additional, Yoshida, Yoko, additional, Suzuki, Tsugutoshi, additional, Kagisaki, Koji, additional, and Ehara, Eiji, additional

Published
2021
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27. Assessing liver stiffness with conventional cut‐off values overestimates liver fibrosis staging in patients who received the Fontan procedure

Author

Cho, Yuki, primary, Kabata, Daijiro, additional, Ehara, Eiji, additional, Yamamoto, Akira, additional, Mizuochi, Tatsuki, additional, Mushiake, Sotaro, additional, Kusano, Hironori, additional, Kuwae, Yuko, additional, Suzuki, Tsugutoshi, additional, Uchida‐Kobayashi, Sawako, additional, Morikawa, Hiroyasu, additional, Amano‐Teranishi, Yuga, additional, Kioka, Kiyohide, additional, Jogo, Atsushi, additional, Isoura, Yoshiharu, additional, Hamazaki, Takashi, additional, Murakami, Yosuke, additional, and Tokuhara, Daisuke, additional

Published
2021
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32. JCS/JHRS 2019 guideline on non‐pharmacotherapy of cardiac arrhythmias

Author

Nogami, Akihiko, Kurita, Takashi, Abe, Haruhiko, Ando, Kenji, Ishikawa, Toshiyuki, Imai, Katsuhiko, Usui, Akihiko, Okishige, Kaoru, Kusano, Kengo, Kumagai, Koichiro, Goya, Masahiko, Kobayashi, Yoshinori, Shimizu, Akihiko, Shimizu, Wataru, Shoda, Morio, Sumitomo, Naokata, Seo, Yoshihiro, Takahashi, Atsushi, Tada, Hiroshi, Naito, Shigeto, Nakazato, Yuji, Nishimura, Takashi, Nitta, Takashi, Niwano, Shinichi, Hagiwara, Nobuhisa, Murakawa, Yuji, Yamane, Teiichi, Aiba, Takeshi, Inoue, Koichi, Iwasaki, Yuki, Inden, Yasuya, Uno, Kikuya, Ogano, Michio, Kimura, Masaomi, Sakamoto, Shun‐ichiro, Sasaki, Shingo, Satomi, Kazuhiro, Shiga, Tsuyoshi, Suzuki, Tsugutoshi, Sekiguchi, Yukio, Soejima, Kyoko, Takagi, Masahiko, Chinushi, Masaomi, Nishi, Nobuhiro, Noda, Takashi, Hachiya, Hitoshi, Mitsuno, Masataka, Mitsuhashi, Takeshi, Miyauchi, Yasushi, Miyazaki, Aya, Morimoto, Tomoshige, Yamasaki, Hiro, Aizawa, Yoshifusa, Ohe, Tohru, Kimura, Takeshi, Tanemoto, Kazuo, Tsutsui, Hiroyuki, and Mitamura, Hideo

Published
2021
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41. Prominent Angulation of the Inferior Vena Cava in a Male Patient with Repaired Omphalocele: Significance for Interventional Cardiologists

Author

Nakamura, Kae, primary, Yoshida, Yoko, additional, Yoshida, Shuichiro, additional, Sasaki, Takeshi, additional, Fujino, Mitsuhiro, additional, Kawasaki, Yuki, additional, Ehara, Eiji, additional, Murakami, Yosuke, additional, Ito, Shinichi, additional, Kishimoto, Shintaro, additional, and Suzuki, Tsugutoshi, additional

Published
2016
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42. Safety and Efficacy of Radiofrequency Catheter Ablation for Tachyarrhythmia in Children Weighing Less Than 10 kg.

Author

Ozaki, Noriyasu, Nakamura, Yoshihide, Suzuki, Tsugutoshi, Yoshimoto, Jun, Toyohara, Keiko, Fukuhara, Hitoo, Katayama, Hiroshi, Kishi, Kanta, Odanaka, Yutaka, and Tamai, Hiroshi

Subjects
RADIO frequency, TACHYARRHYTHMIAS, ARRHYTHMIA, CATHETER ablation, BODY weight
Abstract

An increasing number of children are undergoing radiofrequency catheter ablation (RFCA) for tachyarrhythmia. However, infants and toddlers undergoing RFCA are often resistant to medication or need to eliminate arrhythmia substrate, and the risks of RFCA complications are still high in infants and toddlers. From April 2008 and December 2016, 285 children who underwent radiofrequency catheter ablation (RFCA) were stratified according to body weight (group A, less than 10 kg, n = 22; group B, over 10 kg, n = 263) and the clinical features of RFCA were retrospectively reviewed in these groups. Indications for RFCA included drug-refractory tachyarrhythmia or symptomatic tachycardia and tachycardia-induced cardiomyopathy. The acute success rate in this group was 90.9%, with a relatively low recurrence rate (15.0%) after 7.0 ± 1.6 years follow-up. We performed RFCA using only 2–4 catheters in all cases. Major complications included complete right bundle branch block in one patient. No significant differences in rates of success, recurrence, or complications were noted between children weighing less and more than 10 kg. RFCA is safe and efficacious for tachyarrhythmia even in patients weighing less than 10 kg. [ABSTRACT FROM AUTHOR]

Published
2018
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43. Feasibility and safety of transseptal puncture procedures for radiofrequency catheter ablation in small children weighing below 30 kg: single-centre experience

Author

Yoshida, Shuichiro, primary, Suzuki, Tsugutoshi, additional, Yoshida, Yoko, additional, Watanabe, Shigeo, additional, Nakamura, Kae, additional, Sasaki, Takeshi, additional, Kawasaki, Yuki, additional, Ehara, Eiji, additional, Murakami, Yosuke, additional, Kato, Taichi, additional, and Nakamura, Yoshihide, additional

Published
2015
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44. Long-term Results of Complete Atrioventricular Septal Defect Compared Simplified Single-patch Method with Two-patch Method

Author

Ishimaru, Kazuhiko, primary, Nishigaki, Kyoichi, additional, Kanaya, Tomomitsu, additional, Araki, Kanta, additional, Nakamura, Kae, additional, Sasaki, Takeshi, additional, Fujino, Mitsuhiro, additional, Hirano, Yasuhiro, additional, Kawasaki, Yuki, additional, Ehara, Eiji, additional, Yoshida, Syuichiro, additional, Yoshida, Yoko, additional, Suzuki, Tsugutoshi, additional, and Murakami, Yosuke, additional

Published
2015
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45. Idiopathic Polymorphic Right Ventricular Outflow Tachycardia Developed after a Long-term Follow-up of Benign Premature Ventricular Contractions with a Normal Structural Heart

Author

Kan, Toshiaki, primary, Yoshida, Yoko, additional, Yoshida, Shuichiro, additional, Suzuki, Tsugutoshi, additional, Sasaki, Takeshi, additional, Fujino, Mitsuhiro, additional, Hirano, Tomohiro, additional, Kawasaki, Yuki, additional, Ehara, Eiji, additional, Murakami, Yosuke, additional, and Nakamura, Yoshihide, additional

Published
2015
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46. Clinical Course of 16 Patients with Trisomy 18 Who Underwent Cardiac Surgery

Author

Ehara, Eiji, primary, Murakami, Yosuke, additional, Nakamura, Kae, additional, Sasaki, Takeshi, additional, Fujino, Mitsuhiro, additional, Kawasaki, Yuki, additional, Yoshida, Shuichirou, additional, Yoshida, Yoko, additional, Suzuki, Tsugutoshi, additional, Watanabe, Takuji, additional, Araki, Kanta, additional, Ishimaru, Kazuhiko, additional, Nishigaki, Kyoichi, additional, and Ichiba, Hiroyuki, additional

Published
2015
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49. A Case of Neonatal Marfan Syndrome with Medical Management （propranolol, losartan etc.） since 1 Month of Age and Mitral Valve Replacement at 5 Years of Age

Author

Hirano, Yasuhiro, primary, Murakami, Yosuke, additional, Sasaki, Takeshi, additional, Fujino, Mitsuhiro, additional, Kawasaki, Yuki, additional, Ehara, Eiji, additional, Araki, Kanta, additional, Kanaya, Tomomitsu, additional, Ishimaru, Kazuhiko, additional, Nishigaki, Kyoichi, additional, Yoshida, Shuichiro, additional, Yoshida, Yoko, additional, and Suzuki, Tsugutoshi, additional

Published
2014
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50. Serious Bacterial Infection (Meningitis/Sepsis) in Patients with Asplenia Syndrome: the importance of early diagnosis and the consideration of the prevention with vaccines

Author

Ehara, Eiji, primary, Murakami, Yosuke, additional, Sasaki, Takeshi, additional, Fujino, Mitsuhiro, additional, Hirano, Yasuhiro, additional, Ozawa, Yuki, additional, Yoshida, Shuichirou, additional, Yoshida, Yoko, additional, Suzuki, Tsugutoshi, additional, Kanaya, Tomomitsu, additional, Ishimaru, Kazuhiko, additional, Maehata, Keito, additional, and Nishigaki, Kyoichi, additional

Published
2014
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