1. University of California, San Francisco, CA, USA
2. University of Auckland, Auckland, New Zealand
3. Katholieke Universiteit Leuven, Leuven, Belgium
4. Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA
5. University of Pittsburgh, Pittsburgh, PA, USA
6. Helen Hayes Hospital, West Haverstraw, NY, USA
7. California Pacific Medical Center, San Francisco, CA, USA
8. Bern University Hospital, Bern, Switzerland
9. Semmelweis University Medical School, Budapest, Hungary
10. Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China
11. Centro Médico TIEMPO, Buenos Aires, Argentina
12. University of Sheffield, Sheffield, UK