1. Max von Pettenkofer Institute, Department
of Medicine, Ludwig-Maximilians University Munich, 80336 Munich, Germany
2. School of Pharmaceutical
Sciences, Department of Pharmaceutical Biochemistry, University of Geneva and University of Lausanne, 1211 Geneva, Switzerland
3. Institute of Medical Microbiology, Department of Medicine, University of Zurich, Gloriastrasse 30/32, 8006 Zurich, Switzerland