1. Abubakar, I. , Gautret, P. , Brunette, G.W. , Blumberg, L. , Johnson, D. , Poumerol, G. , Memish, Z.A. , Barbeschi, M. , and Khan, A.S. 2012. Global perspectives for prevention of infectious diseases associated with mass gatherings. Lancet Infectious Diseases, 12(1), 66–74.