International Journal of Preventive Medicine (Int J Prev Med)2008-780210102020020921722172ENepartment of Community Medicine, Mahatma Gandhi Medical College and Research Institute (MGMC and RI), Sri Balaji Vidyapeeth (Deemed to be University), PuducherryDepartment of Community Medicine, Shri Sathya Sai Medical College and Research Institute (SSSMC and RI), Sri Balaji Vidyapeeth (Deemed to be University), Kancheepuram, Tamil Nadu20200205--http://ijpm.mui.ac.ir/index.php/ijpm/article/view/2172http://ijpm.mui.ac.ir/index.php/ijpm/article/download/2172/717717968