Affiliation of author: Department of Biostatistics and Epidemiology, University of Pennsylvania School of Medicine, Philadelphia, PA
Correspondence to: Susan S. Ellenberg, PhD, University of Pennsylvania School of Medicine, 423 Guardian Dr, Philadelphia, PA 19104 (e-mail: [email protected]).
Journal of the National Cancer Institute 103(8):p 616-617, April 20, 2011. | DOI: 10.1093/jnci/djr104
