About the Authors

Yuan Liang

Affiliation Department of Social Medicine and Health Management, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

Yan-Hong Gong

Affiliation Department of Social Medicine and Health Management, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

Xiao-Piao Wen

Affiliation Department of Social Medicine and Health Management, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

Chao-Ping Guan

Affiliation Department of Social Medicine and Health Management, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

Ming-Chuan Li

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

Ping Yin

ping_y2000@163.com

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China

Zhi-Qing Wang

Affiliation Department of Clinical Epidemiology, the Suicide Research and Training Center of World Health Organization & Beijing Suicide Research and Prevention Center, Beijing Hui Long Guan Hospital, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YL Z-QW PY. Performed the experiments: Y-HG M-CL X-PW C-PG. Analyzed the data: Y-HG M-CL. Contributed reagents/materials/analysis tools: Y-HG M-CL X-PW C-PG. Wrote the paper: YL Y-HG PY.