1. Department of Child Psychiatry, Chang Gung Memorial Hospital and University, Taoyuan, Taiwan.
2. Department of Psychiatry, Tri-Service General Hospital and University, Taipei, Taiwan.
3. Department of Psychiatry, Chang Gung Memorial Hospital and University, Chiayi, Taiwan.
4. Department of Psychiatry, National Taiwan University Hospital and College of Medicine, National Taiwan University, Taipei, Taiwan.