1. Sheng Luo is Ph.D. Candidate, Department of Biostatistics, The Johns Hopkins University, Baltimore, MD 21205 . Ciprian M. Crainiceanu is Assistant Professor, Department of Biostatistics, The Johns Hopkins University, Baltimore, MD 21205. Thomas A. Louis is Professor, Department of Biostatistics, The Johns Hopkins University, Baltimore, MD 21205. Nilanjan Chatterjee is Senior Investigator, Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes...