1. Ganga Hospital, Coimbatore, Tamil Nadu India
2. Thomas Jefferson University and the Rothman Institute, Philadelphia, PA, USA
3. University Medical Centre, Utrecht, Netherlands
4. Catholic University, Curitiba, Brazil
5. Harborview Medical Centre, Seattle, WA, USA
6. Vancouver General Hospital, Vancouver, British Columbia, Canada
7. University of Toronto, Toronto, Ontario, Canada
8. Unfallklinik Frankfurt am Main, Frankfurt, Germany