| Affiliation: | 1. University of Pittsburgh, Pittsburgh, Pennsylvania;2. VA Pittsburgh Healthcare System, Pittsburgh, Pennsylvania;3. Ohio State University, Columbus, Ohio;4. David Geffen School of Medicine at University of California Los Angeles, Los Angeles, California;5. VA Greater Los Angeles Healthcare System, Los Angeles, California;6. St. Jude Medical, Sylmar, California;7. University of California San Diego, San Diego, California;8. Massachusetts General HospitalBoston, Massachusetts;9. New York Medical College, Valhalla, New York |
