1. Department of Pathology, Aga Khan University Hospital, Nairobi, Kenya
2. Department of Medicine, Aga Khan Hospital Dar es Salaam, Dar es Salaam, Tanzania
3. Department of Pathology, Aga Khan Hospital Mombasa, Mombasa Kenya
4. Department of Surgery, Aga Khan Hospital Mombasa, Mombasa Kenya
5. Department of Medicine, Aga Khan Hospital Mombasa, Mombasa Kenya
6. Department of Surgery, Tenwek Mission Hospital, Bomet, Kenya
7. University of Kentucky, Lexington, Kentucky, USA
8. Department of Surgery, Kisii Teaching and Referral Hospital, Kisii, Kenya
9. Department of Pathology, Aga Khan Hospital Kisumu, Kisumu, Kenya
10. Department of Pathology, Aga Khan Hospital Dar es Salaam, Dar es Salaam, Tanzania
11. Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
12. University of Alabama Comprehensive Cancer Center, Birmingham, Alabama, USA
13. Breast Cancer Therapeutics, Clinical Investigations Branch, Cancer Therapy Evaluation Program, National Cancer Institute, Rockville, Maryland, USA
14. Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland, USA