International Journal of Preventive Medicine (Int J Prev Med)2008-78024220121024241242ENDepartment of Dermatology and Venereology, Jawahar Lal Nehru Hospital and Research Centre, Bhilai, Chattisgarh, IndiaDepartment of Neurology, Dr. Ram Manohar Lohia Institute of Medical Sciences, Vibhooti Khand, Gomti Nagar, Lucknow Uttar Pradesh, IndiaDepartment of Geriatic Medicine, King George Medical University, Lucknow, IndiaDepartment of Dermatology, Venereology and leprology, MGMCRI, Pondicherry, India20121024-http://ijpm.mui.ac.ir/index.php/ijpm/article/view/970http://ijpm.mui.ac.ir/index.php/ijpm/article/download/970/815