1. From the Departments of Urology (MBR, MIR, MDS) and Radiation Oncology (DBE), Case School of Medicine, University Hospitals of Cleveland, Cleveland, Ohio, Department of Management Science, School of Business and Public Management, George Washington University (EHF), Washington, D. C., and Department of Urology, Faculty of Medicine, Cukurova University (YB), Adana, Turkey