1. The Alfred Hospital and Monash University; Melbourne; Australia
2. University of Minnesota; Minneapolis; MN; USA
3. VA Medical Center and University of Minnesota; Minneapolis; MN; USA
4. Henry Ford Hospital; Detroit; MI; USA
5. Institute of Tropical Medicine; HIV AIDS Center; Antwerp; Belgium
6. AP-HP; Groupe Hospitalier Lariboisière Saint-Louis; Paris; France
7. Royal Free Hospital; London; United Kingdom; USA
8. SUNY Downstate Medical Center; Brooklyn; NY; USA
9. St. Vincent's Hospital and University of New South Wales; Sydney; Australia