1. Department of Pathology; CRESIB (Centre de Recerca en Salut Internacional de Barcelona); Hospital Clinic; Faculty of Medicine; University of Barcelona; Barcelona Spain
2. Laboratoire CERBA; St Ouen L'Aumône France
3. Department of Pathology; IdiPAZ; Hospital La Paz Institute for Health Research; Autonomous University of Madrid; Madrid Spain
4. Department of Pathology; Royal Group of Hospitals; Belfast UK
5. Department of Pathology; University of Groningen; Groningen The Netherlands
6. Department of Pathology; Institute of Oncology; Lisbon Portugal
7. Department of Pathology; Memorial Sloan Kettering Cancer Center; New York NY USA
8. Department of Pathology; Massachusetts General Hospital; Boston MA USA
9. Department of Pathology; Yale University School of Medicine; New Haven CT USA
10. Department of Pathology; Hospital Star Medica; Santa Fe Mexico
11. Department of Oncology; University of Sheffield; Sheffield UK
12. Department of Pathology; University of Granada; Granada Spain