1 Infectious Diseases Service, Department of Medicine, Lausanne University Hospital and University of Lausanne, CLED.04.407, Chemin des Boveresses 155, 1066, Epalinges, Switzerland.
2 Infectious Diseases Service, Department of Medicine, Lausanne University Hospital and University of Lausanne, CLED.04.407, Chemin des Boveresses 155, 1066, Epalinges, Switzerland. Thierry.Roger@chuv.ch.