1. Department of Surgery, Tel Aviv-Sourasky Medical Center, Tel Aviv, Israel2Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
2. Department of Medicine, University of California, San Francisco4Department of Epidemiology and Biostatistics, University of California, San Francisco
3. Fred Hutchinson Cancer Research Center, Seattle, Washington
4. Department of Pathology, Mount Sinai Medical Center, New York, New York
5. Radiology Associates of Albuquerque, Albuquerque, New Mexico8Department of Radiology, University of New Mexico, Albuquerque
6. Group Health Research Institute, Group Health Cooperative, Seattle, Washington10Division of Biostatistics, Department of Public Health Sciences, University of California Davis School of Medicine, Sacramento