PeerJ Author & Reviewer 435 Points Contributions by role Author 300 Reviewer 135 Contributions by subject area Psychiatry and Psychology Public Health Neuroscience Cognitive Disorders Neurology Mental Health COVID-19 Health Policy Epidemiology Hematology Women's Health Pediatrics Science and Medical Education Yongsheng Tong PeerJ Author & Reviewer Summary Clinical Trials Cognitive Disorders Epidemiology Global Health Psychiatry & Psychology Public Health Science & Medical Education PeerJ Contributions Articles 3 May 23, 2022 Mental health problems among hotline callers during the early stage of COVID-19 pandemic Jing An, Yi Yin, Liting Zhao, Yongsheng Tong, Nancy H. Liu https://doi.org/10.7717/peerj.13419 PubMed 35646488 July 2, 2020 Association of retinal nerve fiber abnormalities with serum CNTF and cognitive functions in schizophrenia patients Yanhong Liu, Lvzhen Huang, Yongsheng Tong, Jingxu Chen, Dongfang Gao, Fude Yang https://doi.org/10.7717/peerj.9279 PubMed 32676219 October 17, 2019 Differences between medically treated and untreated non-fatal self-harm reported by hotline callers in China Yongsheng Tong, Yi Yin, Nancy H. Liu https://doi.org/10.7717/peerj.7868 PubMed 31637129