1. Department of Pathology; Hopital Tenon; HUEP; Assistance-Publique; UPMC Paris VI; Paris France
2. Pathology and Laboratory Medicine Institute; Anatomic Pathology; Cleveland Clinic; Cleveland OH USA
3. Department of Pathology; University Erlangen-Nürnberg; Erlangen Germany
4. Department of Pathology; University Hospital Plzen; Plzen Czech Republic
5. Department of Pathology; McGill University Health Center; Montreal QC Canada