About the Authors

Andrew Wu

Affiliation School of Medicine, Vanderbilt University, Nashville, United States of America

Jing-Yu Wang

Affiliation Department of Epidemiology, School of Public Health, Shandong University, Jinan, China

Cun-Xian Jia

jiacunxian@sdu.edu.cn

Affiliations Department of Epidemiology, School of Public Health, Shandong University, Jinan, China, Center for Suicide Prevention Research, Shandong University, Jinan, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AW CJ. Performed the experiments: AW JW. Analyzed the data: AW JW. Contributed reagents/materials/analysis tools: AW JW. Wrote the paper: AW.