About the Authors

Chunlan Zhou

Contributed equally to this work with: Chunlan Zhou, Yanni Wu, Shengli An

lanchun200488@126.com (CLZ); 379249275@qq.com (YNW)

Affiliation Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, PR China

Yanni Wu

Contributed equally to this work with: Chunlan Zhou, Yanni Wu, Shengli An

lanchun200488@126.com (CLZ); 379249275@qq.com (YNW)

Affiliation Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, PR China

Shengli An

Contributed equally to this work with: Chunlan Zhou, Yanni Wu, Shengli An

Affiliation Department of Bio-Statistics, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, Guangdong, PR China

Xiaojin Li

Affiliation Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, PR China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CLZ YNW SLA. Performed the experiments: CLZ YNW SLA XJL. Analyzed the data: YNW SLA. Contributed reagents/materials/analysis tools: YNW SLA XJL. Wrote the paper: CLZ YNW SLA XJL. Designed the search strategy and performed and updated the search: YNW XJL. Screened the reference files and extracted the data: CLZ YNW XJL. Contacted the authors: YNW.