1. Butaro Cancer Centre of ExcellenceMinistry of Health Butaro Rwanda
2. Rwanda Biomedical CentreMinistry of Health of Rwanda Kigali Rwanda
3. International Agency for Research on Cancer Lyon France
4. Department of PathologyUniversity Teaching Hospital of Kigali Kigali Rwanda
5. University of Rwanda School of Medicine and Pharmacy Kigali Rwanda
6. American Society for Clinical Pathology Chicago IL
7. University of Rwanda, School of Public Health Kigali Rwanda
8. Amsterdam UMC, Vrije Universiteit Amsterdam, Pathology, Cancer Center Amsterdam Amsterdam The Netherlands
9. Centro di Riferimento Oncologico di Aviano (CRO) IRCCS Aviano Italy