About the Authors

Yongqing Ding

Affiliations Department of Psychology, the College of Public Health, Harbin Medical University, Harbin, China, The Fifth Affiliated Hospital of Harbin Medical University, Daqing, Heilongjiang Province, China

Yanjie Yang

yanjie1965@163.com

Affiliation Department of Psychology, the College of Public Health, Harbin Medical University, Harbin, China

Xiuxian Yang

Affiliation Department of Psychology, the College of Public Health, Harbin Medical University, Harbin, China

Tiehui Zhang

Affiliation Department of Surgery, the Fifth Affiliated Hospital of Harbin Medical University, Daqing, Heilongjiang Province, China

Xiaohui Qiu

Affiliation Department of Psychology, the College of Public Health, Harbin Medical University, Harbin, China

Xin He

Affiliation Department of Pediatrics, the Fifth Affiliated Hospital of Harbin Medical University, Daqing, Heilongjiang Province, China

Wenbo Wang

Affiliation Department of Psychology, the College of Public Health, Harbin Medical University, Harbin, China

Lin Wang

Affiliation Department of Psychology, the College of Public Health, Harbin Medical University, Harbin, China

Hong Sui

Affiliation Department of Health Statistics, the College of Public Health, Harbin Medical University, Harbin, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YD YY XY. Performed the experiments: YD YY TZ XQ XH LW. Analyzed the data: YD WW. Contributed reagents/materials/analysis tools: YY XY HS. Wrote the paper: YD YY. Designed the software used in analysis: WW HS.