1. General Hospital Bolzano, Bolzano, Italy
2. University of Texas Southwestern Medical Center, Dallas, Texas
3. Weill Cornell Medical Center, New York, New York
4. Kitasato University School of Medicine, Sagamihara, Japan
5. McGill University Health Centre, Montréal, Quebec, Canada
6. Royal Derby Hospital, Derby, United Kingdom
7. Caritas St. Josef Medical Center, University of Regensburg, Regensburg, Germany
8. Klinikum Grosshadern, Ludwig-Maximilians-University, Munich, Germany
9. Hospital Universitario Puerta de Hierro-Majadahonda, Universidad Autónoma de Madrid, Madrid, Spain
10. University of Padua, Padua, Italy
11. University of Montréal, Montréal, Quebec, Canada
12. University of Verona, Verona, Italy