About the Authors

Li-Ping Wang

Affiliation West China School of Nursing, West China School of Medicine/West China Hospital, Sichuan University, Wu Hou District, Chengdu, Sichuan Province, P. R. China

Xiao-Lian Jiang

jiang_xiaolian@126.com

Affiliation West China School of Nursing, West China School of Medicine/West China Hospital, Sichuan University, Wu Hou District, Chengdu, Sichuan Province, P. R. China

Lei Wang

Affiliation West China School of Nursing, West China School of Medicine/West China Hospital, Sichuan University, Wu Hou District, Chengdu, Sichuan Province, P. R. China

Guo-Rong Wang

Affiliation Nursing Department of The Second People’s Hospital of Sichuan Province, Wu Hou District, Chengdu, Sichuan Province, P. R. China

Yang-Jing Bai

Affiliation West China School of Nursing, West China School of Medicine/West China Hospital, Sichuan University, Wu Hou District, Chengdu, Sichuan Province, P. R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: LPW. Contributed reagents/materials/analysis tools: XLJ LW GRW YJB. Wrote the manuscript: LPW XLJ. Designed the survey: LPW GRW. Performed the survey: LPW. Conceived and designed the survey: XLJ. Conceived the survey: LW.