1. Department of Community Medicine, Shri Balaji Institute of Medical Science, Raipur, Chhattisgarh, India
2. Department of Community Medicine, Dr. Shankarrao Chavan Govt. Medical College, Nanded, Maharashtra, India
3. Department of Community Medicine, Government Medical College, Pali, Rajasthan, India
4. Department of Community Medicine, Raipur Institute of Medical Sciences, Raipur, Chhattisgarh, India Department and Institution Study Conducted: Department of Community Medicine, Dr. Shankarrao Chavan, Govt. Medical College, Nanded, Maharashtra, India