Source: Biometrics, Volume 67, Number 4, 1 December 2011, pp. 1369-1378(10)
Document Type: Research Article
Affiliations: 1: Division of Biostatistics, The University of Texas School of Public Health, Houston, Texas 77030, U.S.A. 2: Biostatistics Research Branch, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland 20892, U.S.A. 3: Department of Biostatistics, The University of Texas M. D. Anderson Cancer Center, Houston, Texas 77030, U.S.A.
Publication date: December 1, 2011