title: Establishment of a mass gathering department within health service systems.
authors.affiliation: Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran. Electronic address: psalamati@tums.ac.ir.
authors.forename: Payman
authors.initials: P
authors.lastname: Salamati
authors.affiliation: Department of Community Medicine, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Seyed
authors.initials: S
authors.lastname: Mansour Razavi
mesh_terms: D003141:Communicable Diseases; D006801:Humans; D007514:Islam; D008399:Mass Behavior; D058873:Pandemics; D057236:Travel Medicine
keywords: Hajj; Health service system; Mass gathering