1. University of California, Irvine, Irvine, CA
2. City of Hope 1500 East Duarte Road Duarte, CA
3. UT Southwestern Medical Center 5323 Harry Hines Blvd, Dallas, TX
4. University of Rochester Medical Center 601 Elmwood Ave, Rochester, NY
5. Department of Radiation Oncology, University of California San Francisco, CA
6. American Radium Society 19 Mantua Rd. Mount Royal, NJ
7. Department of Radiation Oncology, Stritch School of Medicine, Cardinal Bernardin Cancer Center, Loyola University Chicago Loyola University Medical Center Department of Radiation Oncology Maguire Center - Room 2944 2160 S. 1st Ave. Maywood, IL
8. South Florida Proton Therapy Institute and Rakuten-Medical, Inc., Delray Beach, FL