The relationship between appearance anxiety and depression among students in a medical university in China: a serial multiple mediation model 1School of Public Health, Chongqing Medical University, Chongqing, China 2Department of Basic Courses, Chongqing Medical and Pharmaceutical College, Chongqing, China 3College of Traditional Chinese Medicine, Chongqing Medical University, Chongqing, China 4The Second Clinical College, Chongqing Medical University, Chongqing, China 5The First Clinical...