Ayubi Erfan, Mansori Kamyar, Khazaei Salman
Department of Epidemiology, School of Public Health, Shahid Beheshti University of Medical Sciences, Tehran.
Department of Epidemiology & Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran.
Pain Med. 2017 Feb 1;18(2):390-391. doi: 10.1093/pm/pnw194.