1. Department of Surgery; Erasmus MC, University Medical Centre Rotterdam; Rotterdam The Netherlands
2. Department of Pathology; Erasmus MC, University Medical Centre Rotterdam; Rotterdam The Netherlands
3. Department of Pathology; Isala Clinics; Zwolle The Netherlands
4. TARGOS Molecular Pathology GmbH; Kassel Germany
5. Institute of Pathology; Klinikum Kassel; Kassel Germany