1. Weill Medical College of Cornell University; New York; NY; USA
2. University of Texas Health Science Center San Antonio; San Antonio; TX; USA
3. University of Montréal; Montréal; QC; Canada
4. University of Texas Southwestern Medical Center; Dallas; TX; USA
5. Ludwig-Maximilians-University Munich, Klinikum Grosshadern; Munich; Germany
6. University of Southern California Keck School of Medicine and Norris Comprehensive Cancer Center; Los Angeles; CA; USA
7. McGill University Health Centre; Montréal; QC; Canada
8. University of Padua; Padua; Italy
9. Caritas St Josef Medical Centre; University of Regensburg; Regensburg; Germany
10. University of Western Ontario; London; ON; Canada
11. Hospital Moto; 2nd Faculty of Medicine; Charles University; Praha; Czech Republic
12. Medical University Graz; Graz; Austria