Am J Surg Pathol 2015 Mar;39(3):338-48
*Department of Pathology, Faculty of Medicine in Plzen, Charles University ††Bioptic Laboratory Ltd, Molecular Pathology Laboratory, Plzen ∥The Fingerland Department of Pathology, Faculty of Medicine and University Hospital, Charles University in Prague, Hradec Kralove, Czech Republic †Department of Pathology, University Health Network, Toronto, ON ‡Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC §Department of Anatomical Pathology, University of Calgary, Foothills Medical Centre, Calgary, AB, Canada ¶Institute of Pathology, University Hospital, Erlangen, Germany #Department of Pathology, N.N. Alexandrov's Research Center of Oncology and Medical Radiology, Minsk, Republic of Belarus **Department of Pathology, Medical University of Gdansk, Poland ‡‡Department of Pathology, Cytopathos, Slovakia §§Department of Pathology, University of Zagreb, Croatia ∥∥Department of Pathology, National Cancer Institute, Fondazione "G.Pascale", Naples, Italy.