1. Department of Physiology and Cellular Biophysics, Columbia University College of Physicians and Surgeons, New York, NY
2. The Center for Radiation Research, Columbia University College of Physicians and Surgeons, New York, NY
3. Department of Medicine, Columbia University College of Physicians and Surgeons, New York, NY
4. Surgical Service, John D. Dingell VA Medical Center and Wayne State University, Detroit, MI
5. Department of Surgical Pathology, New York Presbyterian Medical Center, New York, NY