Krishnapillai Vijayakumar, Rekha Rachel Philip1, Shrinivasa Basavegowdanadoddi Marinaik2, Pratheeksha Giridharan3, Sairu Philip4, Biju George5
Department of Community Medicine, SMCSI Medical College, Karakonam, 1Department of Community Medicine, Amrita Institute of Medical Sciences, Kochi, Kerala, 2Department of Community Medicine, J.S.S. Medical College, Mysore, Karnataka, 3Department of Community Medicine, Govt. Medical College, Thiruvananthapuram, 4Department of Community Medicine, Govt. Medical College, Kozhikode, 5Department of Community Medicine, Govt. T.D. Medical College, Alappuzha, India