University of Montpellier - Pathogenesis & Control of Chronic and Emerging Infections, University of Montpellier - Pathogenesis & Control of Chronic and Emerging Infections, University of Montpellier - Pathogenesis & Control of Chronic and Emerging Infections, University of Montpellier - Institute of Research in Infectiology of Montpellier (IRIM), University of Montpellier - Pathogenesis & Control of Chronic and Emerging Infections, University of Montpellier - Institute of Research in Infectiology of Montpellier (IRIM), University of Montpellier - Institute of Research in Infectiology of Montpellier (IRIM), University of Montpellier - Pathogenesis & Control of Chronic and Emerging Infections, Humboldt-Universität zu Berlin - Charité, Univeersitätsmedizin Berlin and Montpellier University Hospital - Department of Geriatrics