1. Department of Pathology, Aga Khan University Hospital, Nairobi, Kenya
2. Department of Pathology, Aga Khan Hospital, Kisumu, Kenya
3. Department of Pathology, Aga Khan Hospital, Dar es Salaam, Tanzania
4. Department of Pathology, Aga Khan Hospital, Mombasa, Kenya
5. Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, USA