1. UZ Ghent, Ghent, Belgium
2. UH Center Osijek, Osijek, Croatia
3. Caucasus Medical Centre, Tbilisi, Georgia
4. CUF Tejo Hospital, Lisbon, Portugal
5. Department of Oncology and Pathology, Karolinska Institute, ME Head & Neck, Lung & Skin Cancer, Karolinska Comprehensive Cancer Centre, Stockholm, Sweden
6. Mundipharma Pharmaceuticals B.V., Leusden, The Netherlands
7. Exact Sciences, Baar, Switzerland
8. Erasmus MC Cancer Institute, University Medical Center Rotterdam, P.O. Box 5201, 3008 AE Rotterdam, The Netherlands