Affiliation: | From the *Clinical Research Unit for Rheumatology, Division of Rheumatology and Clinical Immunology, University Hospital Freiburg, D-79106 Freiburg, Germany; ‡Preclinical Research, Novartis Ltd., CH-4002 Basel, Switzerland; §Basel Institute for Immunology, CH-4058 Basel, Switzerland; and the ‖Bernhard-Nocht-Institute for Tropical Medicine, D-20359 Hamburg, Germany |