1. Duke Clinical Research Institute; DUMC Box 3850 Durham NC 27710 USA
2. University of California-San Francisco and San Francisco Veterans Affairs Medical Center; San Francisco CA USA
3. University of Groningen; Groningen the Netherlands
4. Indiana University School of Medicine; Indianapolis IN USA
5. Medical University; Clinical Military Hospital; Wroclaw Poland
6. University of California San Diego; La Jolla CA USA
7. Athens University Hospital; Attikon Athens Greece
8. Momentum Research Inc.; Durham NC USA
9. Novartis Pharmaceuticals Corporation; East Hanover NJ USA
10. Columbia University; New York NY USA
11. Novartis Pharma AG; Basel Switzerland
12. University of Brescia; Brescia Italy