1. Department of Community & Family Medicine, All India Institute of Medical Sciences, Bathinda 151001, Punjab, India
2. Department of Community & Family Medicine, All India Institute of Medical Sciences, Odisha, Bhubaneswar, India
3. Department of Community & Family Medicine, All India Institute of Medical Sciences, Kalyani, West Bengal, India
4. Department of Community & Family Medicine, All India Institute of Medical Sciences, Bibinagar, Telangana, India
5. All India Institute of Medical Sciences, Bibinagar, Telangana, India