1. Pfizer Inc.; Pearl River New York
2. Bill and Melinda Gates Foundation; Seattle Washington
3. Valera LLC; Cambridge Massachusetts
4. Albert Einstein College of Medicine; Bronx New York
5. Vaccinology Consulting; Morage California
6. Pfizer Inc., Groton, Connecticut
7. Aeras; Rockville Maryland
8. Perelman School of Medicine; University of Pennsylvania; Philadelphia Pennsylvania; and Vaxconsult, LLC