Center for Experimental and Molecular Medicine and Department of Medicine, Division of Infectious Diseases and Amsterdam Institute for Infection and Immunity (AII), Amsterdam University Medical Centers (Amsterdam UMC), Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands

Correspondence to W. Joost Wiersinga, MD, PhD, MBA, Division of Infectious Diseases and Center for Experimental and Molecular Medicine, Amsterdam UMC, AMC, Meibergdreef 9, Room G2-130, 1105 AZ Amsterdam, The Netherlands. Tel: +31 20 5669111; e-mail: [email protected]