1. Northwestern University, Chicago, IL
2. University of the Witwatersrand, Johannesburg, South Africa
3. AstraZeneca, Barcelona, Spain
4. Quirónsalud Málaga Hospital, Malaga, Spain
5. St. George Medical University, Plovdiv, Bulgaria
6. Ben-Gurion University of the Negev, Beer-Sheva, Israel
7. Johns Hopkins University, Baltimore, MD
8. Hospital del Niño Jesús, San Miguel de Tucumán, Argentina
9. Hospital Padre Hurtado, Santiago, Chile
10. Cevaxin Research Center, Panama City, Panama
11. AstraZeneca, Durham, NC
12. AstraZeneca, Waltham, MA