1Research Institute of Health Science, Korea University, Seoul, South Korea
2Department of Medical Informatics, The Catholic University of Seoul, Seoul, South Korea
3Department of Biomedicine and Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, South Korea
4Catholic Institute for Healthcare Management and Graduate School of Healthcare Management and Policy, The Catholic University of Korea, Seoul, South Korea
5Department of Psychiatry, Addiction Research Institute, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
6Department of Psychiatry, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
Approved by: Frontiers Editorial Office, Frontiers Media SA, Switzerland
✉*Correspondence: Dai-Jin Kim, kdj922@catholic.ac.kr; In Young Choi, iychoi@catholic.ac.kr
This article was submitted to Addictive Disorders, a section of the journal Frontiers in Psychiatry
Copyright © 2019 Lee, Choi, Rho, Kim and Choi
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