PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Global Health Infectious Diseases Psychiatry and Psychology Public Health Nanjiang Zhou PeerJ Author Summary Global Health Infectious Diseases Psychiatry & Psychology Public Health PeerJ Contributions Articles 1 March 11, 2021 The association between prior physical fitness and depression in young adults during the COVID-19 pandemic—a cross-sectional, retrospective study Yaoshan Dun, Jeffrey W. Ripley-Gonzalez, Nanjiang Zhou, Qiuxia Li, Meijuan Chen, Zihang Hu, Wenliang Zhang, Randal J. Thomas, Thomas P. Olson, Jie Liu, Yuchen Dong, Suixin Liu https://doi.org/10.7717/peerj.11091 PubMed 33763311