| Affiliation: | 1. Clinical Epidemiology Branch National Cancer Institute Boston, MA 02115 USA;2. Dana Farber Cancer Institute Boston, MA 02115 USA;1. Department of Medicine, University of Pittsburgh, UPMC Presbyterian, Mezzanine Level, C Wing, 200 Lothrop Street, Pittsburgh, PA 15213, USA;2. Department of Cell Biology and Physiology, and Human Genetics, University of Pittsburgh, UPMC Presbyterian, Mezzanine Level, C Wing, 200 Lothrop Street, Pittsburgh, PA 15213, USA;3. VA Pittsburgh Health Care System, Pittsburgh, PA 15240, USA |
