1. Stanford U School of Medicine, Stanford, CA, USA
2. Children’s National Hospital, Washington, DC, USA
3. Zanmi Lasante, St Marc, Haiti
4. Toronto University School of Medicine, Toronto, ON, Canada
5. University of Vermont Robert Larner College of Medicine, Burlington, VT, USA
6. University of California San Francisco, CA, USA
7. Harvard U Medical School, Boston, MA, USA
8. Boston U School of Medicine, Boston, MA, USA