1. Department of Community Medicine, A.C.S.R. Government Medical College, Nellore, Andhra Pradesh, India
2. Department of Hospital Administration, Government General Hospital, RIMS, Kadapa, Andhra Pradesh, India
3. Department of Hospital Administration, Government General Hospital, Guntur Medical College, Guntur, Andhra Pradesh, India
4. Department of Community Medicine, Sri Venkateshwara Medical College, Tirupati, Andhra Pradesh, India
5. Department of Community Medicine, Maharaja Institute of Medical Sciences, Vijayanagaram, Andhra Pradesh, India