1. Department of Psychiatry, All India Institute of Medical Sciences, Raipur, Chhattisgarh, India
2. Department of PMR, All India Institute of Medical Sciences, Raipur, Chhattisgarh, India
3. Department of ENT and HNS, All India Institute of Medical Sciences, Raipur, Chhattisgarh, India
4. Department of Psychiatry, All India Institute of Medical Sciences, Mangalagiri, Andhra Pradesh, India