About the Authors

Xie-Min Ma

ma_xm@126.com (XMM); lzhao@fhcrc.org (LPZ)

Affiliation School of Public Health, Peking University Health Science Center, Beijing, People’s Republic of China

Xiao-Hong Chen

Affiliation National Institute of Hospital Administration, China National Health and Family Planning Commission, Beijing, People’s Republic of China

Ji-Shan Wang

Affiliation National Institute of Hospital Administration, China National Health and Family Planning Commission, Beijing, People’s Republic of China

Gary H. Lyman

Affiliations Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America, School of Public Health, University of Washington, Seattle, Washington, United States of America

Zhi Qu

Affiliation School of Public Health, Peking University Health Science Center, Beijing, People’s Republic of China

Wen Ma

Affiliation School of Public Health, Peking University Health Science Center, Beijing, People’s Republic of China

Jing-Chen Song

Affiliation School of Public Health, Peking University Health Science Center, Beijing, People’s Republic of China

Chuan-Kun Zhou

Affiliation School of Public Health, Peking University Health Science Center, Beijing, People’s Republic of China

Lue Ping Zhao

ma_xm@126.com (XMM); lzhao@fhcrc.org (LPZ)

Affiliations Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America, School of Public Health, University of Washington, Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XMM LPZ GHL. Performed the experiments: XHC JSW ZQ WM JCS CKZ. Analyzed the data: ZQ WM JCS LPZ. Contributed reagents/materials/analysis tools: XHC JSW. Wrote the paper: XMM GHL ZQ LPZ.