1. PG Student, Department of Community Medicine, Indira Gandhi Institute of Medical Sciences, Sheikhpura, Patna, Bihar, India.
2. Additional Professor, Department of Community Medicine, Indira Gandhi Institute of Medical Sciences, Sheikhpura, Patna, Bihar, India.
3. Assistant Professor, Department of Community Medicine, Indira Gandhi Institute of Medical Sciences, Sheikhpura, Patna, Bihar, India.
4. Professor and HOD, Department of Community Medicine, Indira Gandhi Institute of Medical Sciences, Sheikhpura, Patna, Bihar, India