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Prof. Dr. med. Gerd-Rüdiger Burmester，Director of Department of Rheumatology and Clinical Immunology, Charité - Universit?tsmedizin Berlin

Introduction:Gerd R. Burmester, MD is Professor of Medicine in the Department of Rheumatology and Clinical Immunology at the Charité University Hospital, Free University and Humboldt University of Ber