Author Correction: Comparative metabolomics study on therapeutic mechanism of electro-acupuncture and moxibustion on rats with chronic atrophic gastritis (CAG).

( B A b and a, the control rats; B B b and b, the CAG rats; B C b and c, CAG rats with electro-acupuncture treatment on the stomach meridian acupoints; B D b and d, CAG rats with electro-acupuncture treatment on the stomach meridian acupoints; B E b and e, CAG rats with moxibustion treatment on the stomach meridian acupoints; B F b and f, CAG rats with moxibustion on non-acupoints). ( B A b and a, the control rats; B B b and b, the CAG rats; B C b and c, CAG rats with electro-acupuncture treatment on the stomach meridian acupoints; B D b and d, CAG rats with electro-acupuncture treatment on the stomach meridian non-acupoints; B E b and e, CAG rats with moxibustion treatment on the stomach meridian acupoints; B F b and f, CAG rats with moxibustion on non-acupoints). [Extracted from the article]