Texas Retina Associates, Dallas, Texas, United States
DSI, Brandon, Florida, United States
Macula Care, New York, New York, United States
The University Hospital of Cologne, Cologne, Germany
University of Würzburg, Department of Orthopaedic Surgery, Würzburg, Bavaria, Germany
Charité Universitätsmedizin Berlin, Center for Musculoskeletal Surgery, Berlin, Germany
University of Regensburg, Department of Orthopaedic Surgery, Bad Abbach, Bavaria, Germany
Institute of Virology, University of Cologne, Köln, NRW, Germany
Department of Dermatology, Ruhr University Bochum, Bochum, NRW, Germany
Department of Pharmacology, University of Cologne, Cologne, Germany
Clinic for Paediatrics, University of Cologne Kerpener Str. 62, Cologne, Germany
University Hospital Gasthuisberg, Leuven, Belgium
Klinikum der Universität zu Köln, Köln, Germany
Charité - Campus Benjamin Franklin, Berlin, Germany
University Children's Hospital, Zurich, Switzerland
Medizinische Hochschule Hannover, Hannover, Germany
Klinikum Augsburg, Augsburg, Germany
Klinikum der Universität zu Köln, Köln, Germany
CF Center Cologne, University Children's Hospital, Cologne, Germany