1. Institute of Pathology and Molecular Pathology; University Hospital Zurich; Zurich Switzerland
2. Department of Pathology; Faculté Paris Descartes; Cochin Hospital; APHP; Paris France
3. Division of Anatomic Pathology and Histology; Catholic University of Sacred Heart; Foundation “Agostino Gemelli” University Hospital; Rome Italy
4. Service of Clinical Pathology; Institute of Pathology; Lausanne University Hospital; Lausanne Switzerland