1. Rambam Health Care Campus and The Ruth and Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology; Division of Infectious Diseases; Tel Aviv Israel
2. Medical Research Council Unit; P.O. Box 273 Banjul Gambia
3. Beilinson Hospital, Rabin Medical Center; Department of Medicine E; 39 Jabotinski Street Petah Tikva Israel 49100
4. Rambam Health Care Campus; Division of Infectious Diseases; Ha-aliya 8 St Haifa Israel 33705