20 Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.
21 University Hospital Carl Gustav Carus Medical Department I Dresden, Dresden, Germany.
22 Clinic for Haematology and Oncoloy, Medizinischer Campus Universität Oldenburg, Oldenburg, Germany.
23 Department of Oncology, Presidio Ospedaliero Universitario Santa Maria della Misericordia, Azienda Sanitaria Universitaria Integrata Friuli Centrale, Udine, Italy.
24 Medical Oncology, Fondazione IRCCS Policlinico S. Matteo and Department of Internal Medicine and Medical Therapy, University of Pavia, Pavia, Italy.
25 Division of Clinical Oncology, Centro di Riferimento Oncologico, Aviano, Italy.
26 Division of Clinical Oncology, Ospedale Santa Chiara, Trento, Italy.
27 Department for Respiratory Medicine and Thoracic Oncology, Klinikum Rheine - Mathias-Spital, Rheine, Germany.