Corrigendum

In the published article, there was an error in affiliation 1. Instead of “Laboratory of Statistics, Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan”, it should be “Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan”. In the published article, there was an error regarding the affiliation for Jing-Yang Huang. As well as having affiliation 1, he should also have “Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan”. The authors apologize for these errors and state that this does not change the scientific conclusions of the article in any way. The original article has been updated.