1. Department of Psychiatry, Jigme Dorji Wangchuck National Referral, Thimphu, Bhutan
2. Department of Medicine, Jigme Dorji Wangchuck National Referral Hospital, Thimphu, Bhutan
3. Medical Education and Research Unit, Jigme Dorji Wangchuck National Referral Hospital, Thimphu, Bhutan