Scientific Reports 5: Article number: 9541; published online: 29 April 2015; updated: 25 May 2017.

In this Article, Affiliation 2 is incorrectly listed as ‘Graduate Institute of Clinical Medicine, and Graduate Institute of Traditional Chinese Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan’. The correct affiliation is listed below:

Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan.