University Hospital of Cologne - Clinic for Internal Medicine I, Cologne, NRW, Germany
Klinikum Augsburg, II. Med. Klinik Haematologie / Onkologie, Augsburg, Bavaria, Germany
University Hospital Cologne - Department for Internal Medicine I, Cologne, NRW, Germany
Universitätsklinikum Hamburg-Eppendorf, Department of Stem Cell Transplantation, Hamburg, Germany
Charite - Medical Clinic with focus on hematology, oncology and tumor immunology, Berlin, Germany
Charité - University clinic, pediatric clinic with focus on oncology and hematology, Berlin, Germany
University clinic, clinical for children and youth, Erlangen, Germany
Universitätsklikum Leipzig, AöR, Leipzig, Germany
University Hospital of Cologne - Clinic for Internal Medicine I, Cologne, Germany
Universitätsklinikum Köln, Cologne, Germany
Universitätsklinikum Leipzig, Leipzig, Germany
Cambridge Clinical Trials Unit, Addenbrooke's Hospital, Cambridge, United Kingdom