1. School of Nursing; Emory University; Atlanta Georgia
2. School of Nursing; University of Pennsylvania; Philadelphia Pennsylvania
3. RTOG Statistical Center; Philadelphia Pennsylvania
4. Department of Radiation Oncology; Henry Ford Hospital; Detroit Michigan
5. University of Texas MD Anderson Cancer Center; Houston Texas
6. Centre Hospitalier de l'Université de Montréal (CHUM); Montreal Canada
7. Wayne State University, Karmanos Cancer Institute; Detroit Michigan
8. Stanford University; Stanford California