1. Department of Psychiatry, Christian Medical College, Ludhiana, Punjab, India
2. Department of Psychiatry, Clinical Neurosciences, Addiction Medicine, All India Institute of Medical Sciences (AIIMS), Guwahati, Assam, India
3. Department of Psychology, Sikkim University, Gangtok, Sikkim, India
4. Department of Community and Family Medicine, All India Institute of Medical Sciences (AIIMS), Guwahati, Assam, India