Yezli Saber, Elganainy Ahmed, Awam Amnah
Global Centre for Mass Gatherings Medicine, Public Health Directorate, Ministry of Health, Prince Sultan Ibn Salman Ibn Abdul Aziz, Ar Rahmaniyah, Riyadh 12341, Kingdom of Saudi Arabia.
J Travel Med. 2018 Jan 1;25(1). doi: 10.1093/jtm/tay070.