3 Department of Pathology, Radboud University Medical Center, Nijmegen, The Netherlands. mvandenbrand@rijnstate.nl.
4 Department of Pathology, Hospital Universitari de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain.
5 Department of Laboratory Medicine and Pathology, Institute of Pathology, Lausanne University Hospital and Lausanne University, Lausanne, Switzerland.
6 Institute of Medical Genetics and Pathology, University Hospital Basel, University of Basel, Basel, Switzerland.
7 Department of Medical Biotechnology, Section of Pathology, University of Siena, Siena, Italy.
8 Department of Pathology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
9 Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore.
10 Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH, USA.
11 Institute of Pathology and Neuropathology, Eberhard Karls University of Tübingen and Comprehensive Cancer Center, University Hospital Tübingen, Tübingen, Germany.
12 Department of Pathology, City of Hope Medical Center, Duarte, CA, USA.
13 Department of Histopathology, Royal Marsden Hospital, London, UK.