1. AccuQuan, P.O. Box 89, Chagrin Falls, OH 44022, USA
2. Department of Radiology, Andros Clinics, Meester E.N. van Kleffensstraat 5, 6842 CV Arnhem, The Netherlands
3. Department of Radiation Oncology, Ohio Health Cancer Center, 75 Hospital Drive, Athens, OH 45701, USA
4. Rampart Health, 601 Biotech Drive, North Chesterfield, VA 23235, USA
5. Community Practice of Hematology, Oncology and Internal Medicine, Focus on Prostate Cancer and Prostate Diseases, Medford, OR 97504, USA