Shahab Rezaeian is affiliated to Department of Epidemiology & Biostatistics, School of Public Heath, Hamadan University of Medical Sciences, Hamadan, Iran. Shahab Rezaeian’s area of interests includes Healthcare system, Diabetes, heart diseases, healthcare study, healthcare and nursing etc.Shahab Rezaeian is a recipient of many awards and grants for valuable contributions and discoveries in major area of research. Shahab Rezaeian is committed to highest standards of excellence.