?:authorAffiliation
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[\'Global Center for Mass Gatherings Medicine (WHO Collaborating Center for Mass Gatherings Medicine) Ministry of Health, Riyadh, Saudi Arabia.\', \'Emergency Medicine Department, College of Medicine, King Saud University, Riyadh, Saudi Arabia.\', \'Ministry of Health, Riyadh, Saudi Arabia.\', \'World Health Organization Eastern Regional Office for the Eastern Mediterranean, Cairo, Egypt.\']
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