Publisher Correction to: Safety, effectiveness and mid-term follow-up in 136 consecutive patients with moderate to severely calcified lesions undergoing phoenix atherectomy.

The original article can be found online at https://doi.org/10.1007/s00380-020-01695-w. Publisher Correction to: Heart and Vessels (2021) 36:366-375 https://doi.org/10.1007/s00380-0... In the original publication of the article, "Appendix methods" was missing and has now been uploaded. [Extracted from the article]