1. Hallym University Suicide and School Mental Health Institute, Anyang, Korea
2. Hopefull Psychiatric Clinic, Anyang, Korea
3. Graduate School of Public Policy, Ajou University, Suwon, Korea
4. Department of Psychiatry, Inje University College of Medicine, Ilsan Paik Hospital, Goyang, Korea
5. Department of Psychiatry, Hallym University Sacred Heart Hospital, Anyang, Korea