1. Department of Biochemistry, University of Lausanne, CH-1066 Epalinges, Switzerland.
2. Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA, USA.
3. Infectious Diseases Service, Department of Medicine, Lausanne University Hospital and University of Lausanne, Epalinges, Switzerland.
4. Division of Nephrology, Department of Internal Medicine 3, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany.
5. Institute for Immunology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.