1 Médecins Sans Frontières, Operational Centre Brussels, Lebanon Branch Office, Middle East Medical Unit, Beirut 1103, Lebanon. Electronic address: krystel.moussally@msf.org.
2 Médecins Sans Frontières, Operational Centre Brussels, Gaza Mission, Gaza, Palestine; Conflict Medicine Program, Global Health Institute, American University of Beirut, Beirut, Lebanon.
3 Médecins Sans Frontières, Operational Centre Brussels, Lebanon Branch Office, Middle East Medical Unit, Beirut 1103, Lebanon.
4 Center for Infectious Diseases Research, American University of Beirut, Beirut, Lebanon; Faculty of Medicine, Department of Experimental Pathology, Immunology and Microbiology, American University of Beirut, Beirut, Lebanon; WHO Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut, Lebanon.