1. Medical College of Georgia, Augusta University, Augusta, Georgia, USA
2. University of Alabama at Birmingham, Birmingham, Alabama, USA
3. Milpark Hospital, University of the Witwatersrand, Johannesburg, South Africa
4. Steve Biko Academic Hospital, University of Pretoria, Pretoria, South Africa
5. Amplyx Pharmaceuticals Inc., San Diego, California, USA
6. Pfizer Inc., Groton, Connecticut, USA