1. Department of Psychiatry and Mental Health Nursing, Syiah Kuala University, Banda Aceh, Indonesia
2. Department of Internal Medicine, Syiah Kuala University, Banda Aceh, Indonesia
3. Department of Internal Medicine, Zoenal Abidin Hospital, Banda Aceh, Indonesia
4. Department of Statistics, Syiah Kuala University, Banda Aceh, Indonesia
5. University Psychiatric Clinic of Charité at St. Hedwig’s Hospital, Berlin, Germany