1. Department of Radiation Oncology; Mayo Clinic; Rochester Minnesota USA
2. Department of Internal Medicine; University of Arizona; Tucson Arizona USA
3. Department of Hematology/Oncology; University Hospitals of Cleveland; Sandusky Ohio USA
4. Department of Hematology/Oncology; Kaiser Permanente; Washington DC Washington USA
5. Department of Hematology/Oncology; University of California San Francisco-Fresno Medical Education Program; Fresno California USA