1. Division of Cancer Epidemiology and GeneticsNational Cancer InstituteBethesda MD
2. Komfo Anoyke Teaching HospitalKumasi Ghana
3. Korle Bu Teaching HospitalAccra Ghana
4. University of GhanaAccra Ghana
5. Peace and Love HospitalKumasi Ghana
6. Westat, IncRockville MD
7. Currently at the University of North Carolina at Chapel HillChapel Hill NC
8. Currently at the Usher Institute of Population Health Sciences and Informatics, Edinburgh Cancer Research CentreEdinburgh Scotland