About the Authors

Xin Li

Contributed equally to this work with: Xin Li, Jingkai Zhang

Roles Conceptualization, Methodology, Writing – original draft

Affiliation Department of Epidemiology and Health Statistics, Public Health College, Qingdao University, Laoshan District, Qingdao, Shandong, China

Jingkai Zhang

Contributed equally to this work with: Xin Li, Jingkai Zhang

Roles Formal analysis, Methodology, Software

Affiliation Department of Epidemiology and Health Statistics, Public Health College, Qingdao University, Laoshan District, Qingdao, Shandong, China

Hua Zhang

Roles Methodology, Validation

Affiliation Qingdao Municipal Center for Disease Control and Prevention, Shibei District, Qingdao, Shandong, China

Jifeng Ren

Roles Conceptualization, Methodology

Affiliation Shandong Provincial Chronic Disease Hospital, Shinan District, Qingdao, Shandong, China

Hainan Cao

Roles Methodology, Validation

Affiliation Department of Otorhinolaryngology, Qingdao Municipal Hospital, Shinan District, Qingdao, Shandong, China

Yaoyao Xu

Roles Data curation, Methodology, Validation

Affiliation School of Public Health, Weifang Medical University, Weicheng District, Weifang, Shandong, China

Dongfeng Zhang

Roles Formal analysis, Methodology, Writing – review & editing

Affiliation Department of Epidemiology and Health Statistics, Public Health College, Qingdao University, Laoshan District, Qingdao, Shandong, China

Haiping Duan

Roles Conceptualization, Supervision, Writing – review & editing

duan_hp@126.com

Affiliation Qingdao Municipal Center for Disease Control and Prevention, Shibei District, Qingdao, Shandong, China

Competing Interests

The authors have declared that no competing interests exist.