1. Radiation Oncology Department, Thomas Jefferson University, Philadelphia, PA, USA
2. Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD, USA
3. AMF Life Systems, Auburn Hills, MI, USA
4. Biomedical Engineering Department, Drexel University, Philadelphia, PA, USA
5. BrachyThermix LLC, Voorhees, NJ, USA
6. Head and Neck Department, Kemerovo Regional Clinical Oncology Center, Kemerovo, Russia
7. General Physics Department, Kemerovo State University, Novostrojka, Russia
8. Neurosurgery Department, Thomas Jefferson University, Philadelphia, PA, USA