PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Epidemiology Psychiatry and Psychology Public Health Sang-Wook Yi PeerJ Author Summary Epidemiology Public Health Work details Professor Catholic Kwandong University College of Medicine Department of Preventive Medicine and Public Health Institute for Clinical and Translational Research, Catholic Kwandong University PeerJ Contributions Articles 1 July 2, 2015 Depressive symptoms and other risk factors predicting suicide in middle-aged men: a prospective cohort study among Korean Vietnam War veterans Sang-Wook Yi, Jae-Seok Hong https://doi.org/10.7717/peerj.1071 PubMed 26157634