About the Authors

Bin Li

Affiliations Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, China, Epidemiology Research Unit, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China

Lian Wang

Affiliation Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, China

Min-Shan Lu

Affiliation Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, China

Xiong-Fei Mo

Affiliation Department of Vascular Surgery, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China

Fang-Yu Lin

Affiliation Nursing Department, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China

Suzanne C. Ho

zhangcx3@mail.sysu.edu.cn (C-XZ); suzanneho@cuhk.edu.hk (SCH)

Affiliation Division of Epidemiology, The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong SAR, China

Cai-Xia Zhang

zhangcx3@mail.sysu.edu.cn (C-XZ); suzanneho@cuhk.edu.hk (SCH)

Affiliation Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BL SCH CXZ. Performed the experiments: BL LW MSL. Analyzed the data: BL LW. Contributed reagents/materials/analysis tools: XFM FYL. Wrote the paper: BL SCH CXZ.