1st Department of Medicine, Cologne University Hospital, Cologne, Germany
University Hospital of Cologne, Cologne, Germany
The University Hospital of Cologne, Cologne, Germany
University Eye Hospital, University of Cologne, Cologne, NRW, Germany
University Eye Hospital, University of Cologne, Cologne, NRW, Germany
University Eye Hospital, University of Cologne, Cologne, NRW, Germany
University of Cologne, Cologne, Germany
St Antonius Hospital Nieuwegein, Nieuwegein, Netherlands
Kaiser Permanente, Los Angeles, California, United States
Oasis Clinic, Los Angeles, California, United States
Peter J Ruane, MD, Inc, Los Angeles, California, United States
Kaiser Permanente, Los Angeles, California, United States
Ruth M. Rothstein CORE Center, Chicago, Illinois, United States
The Stamford Hospital, Stamford, Connecticut, United States
Cardinal Bernardin Cancer Center / Loyola University Medical Center, Maywood, Illinois, United States
Cleveland Clinic, The, Cleveland, Ohio, United States
Western Pennsylvania Cancer Institute, Pittsburgh, Pennsylvania, United States