1. Department of Psychiatry; Seoul National University Bundang Hospital; Seongnam Korea
2. Department of Addiction, Rehabilitation, and Social Welfare; Eulji University; Seongnam Korea
3. Department of Computer Simulation; Institute of Basic Science; Inje University; Gimhae Korea
4. Department of Adolescent Psychiatry; National Center for Child and Adolescent Psychiatry; Seoul National Hospital
5. Department of Psychiatry; Yong-in Mental Hospital; Yongin Korea
6. Department of Psychiatry; Dongguk University Ilsan Hospital; Goyang Korea
7. Department of Psychiatry and Behavioral Science; Seoul National University College of Medicine; Seoul Korea