1. Dana-Farber Cancer Institute, Boston, Massachusetts, USA
2. Hôpital Universitaire de Mirebalais, Mirebalais, Haiti
3. Zanmi Lasante, Croix-des-Bouquet, Haiti
4. The Wharton School of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
5. Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
6. Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania, USA