1. Unit of Infections and Cancer; Catalan Institute of Oncology; IDIBELL Barcelona Spain
2. CIBER Epidemiología y Salud Pública (CIBERESP), Spain
3. DDL Diagnostic Laboratories; Rijswijk The Netherlands
4. Instituto Nacional de Enfermedades Neoplásicas; Lima Peru
5. National Cancer Centre; Seoul South Korea
6. Department of Pathology, Hospital Universitario del Valle; Cali Colombia
7. Department of Pathology Hospital General de México, Facultad de Medicina; Universidad Nacional Autónoma de México; México
8. Laboratório de Anatomia Patológica e citologia; Associação de Combate ao Câncer do Brasil Central, Hospital Dr Hélio Angotti; PATMED Uberada Brazil
9. Department of Pathology Facultad de Medicina; Universidad de Valencia; Valencia Spain
10. Instituto de Investigaciones en Ciencias de la Salud, Universidad Nacional de Asunción; Asunción Paraguay
11. Department of Gynecology Hospital de Clínicas José de San Martín; Universidad de Buenos Aires; Buenos Aires Argentina
12. Department of Pathology, Instituto Portugues de Oncologia de Lisboa Francisco Gentil; Lisbon Portugal
13. Centro de Oncología Preventiva Facultad de Medicina; Universidad de Chile; Santiago Chile
14. Department of Pathology, Hospital San Agustín; Avilés Spain
15. Department of Pathology, Hospital del Mar; Barcelona Spain
16. Department of Pathology, Hospital de la Santa Creu i Sant Pau; Barcelona Spain
17. Fingerland Department of Pathology; Charles University, Faculty of Medicine and Faculty Hospital; Hradec Králové Czech Republic
18. Department of Pathology, Hospital Virgen del Camino; Pamplona Spain
19. Department of Pathology, Hospital Clínico San Carlos; Madrid Spain
20. Department of Pathology, CRESIB Hospital Clínic; University of Barcelona; Spain
21. Department of Pathology, Complejo Hospitalario Universitario Insular Materno-Infantil; Las Palmas de Gran Canaria Spain
22. Infection and Cancer Group School of Medicine; University of Antioquia; Medellin Colombia
23. Emeritus Professor at the Cancer Institute of Colombia, Bogotá, Colombia