1. Department of Radiation Oncology, Taussig Cancer Institute, Cleveland Clinic, Cleveland, Ohio
2. Department of Radiation Oncology, Ohio State University, Columbus
3. Department of Plastic Surgery, Dermatology and Plastic Surgery Institute, Cleveland Clinic, Cleveland, Ohio
4. Virgina Commonwealth University, Massey Cancer Center, Department of Radiation Oncology, Richmond
5. Department of Radiation Oncology, Tufts University School of Medicine, Boston, Massachusetts6Department of Radiation Oncology, Brown University, Providence, Rhode Island
6. 21st Century Oncology, Department of Radiation Oncology, Pembroke Pines, Florida
7. 21st Century Oncology, Michigan Healthcare Professionals, Farmington Hills