1. Medical Oncology Clinic, Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium;
2. Department of General Medical Oncology Leuven Cancer Institute, University Hospitals Leuven, KU Leuven, Leuven, Belgium;
3. Boehringer Ingelheim Ltd, Bracknell, United Kingdom;
4. Boehringer Ingelheim, Brussels, Belgium;
5. Boehringer Ingelheim Pharma GmbH and Co. KG, Biberach, Germany;
6. Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT;