1. Department of Medical Physics Applications of Detectors and Accelerators to Medicine Meyrin1217Switzerland
2. Shanghai Proton and Heavy Ion Center Shanghai201315China
3. Richard L. Roudebush VA Medical Center Indianapolis IN46202USA
4. Department of Radiation Oncology Mayo Clinic Scottsdale AZ85259USA
5. University of Florida Proton Therapy InstituteUniversity of Florida Jacksonville FL32206USA
6. Department of Radiation Oncology University of Oklahoma Health Sciences Center Oklahoma City OK73104USA
7. Department of Radiation Oncology University of Pennsylvania Philadelphia PA19104USA
8. Department of Radiation Oncology Hefei Ion Medical Center 1700 Changning Avenue, Gaoxin District Hefei Anhui230088China
9. Department of Physics & Astronomy Louisiana State University Baton Rouge LA70803USA
10. Mary Bird Perkins Cancer Center Baton Rouge LA70809USA
11. Department of Radiation Physics University of Texas MD Anderson Cancer Center Houston TX77030USA
12. Department of Radiation Oncology Emory Proton Therapy Center Emory University Atlanta GA30322USA
13. Saudi Proton Therapy CenterKing Fahad Medical City Riyadh Riyadh Province11525Saudi Arabia