1. University of Pennsylvania, Philadelphia
2. Comprehensive Care Center, Fort Lauderdale, Florida
3. Hospital Universitario La Paz, IdiPAZ, Madrid, Spain
4. Titu Maiorescu University of Medicine and Dr Victor Babes Hospital for Infectious and Tropical Diseases, Bucharest, Romania
5. Institute of Tropical Medicine, Antwerp
6. National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei
7. Weill Cornell Medical College, New York, New York
8. Janssen Infectious Diseases BVBA, Beerse, Belgium