Department of Biostatistics and.|Department of Biostatistics and.|Department of Statistics, University of Michigan, Ann Arbor, Michigan 48109, USA.|Department of Medicine, Duke University School of Medicine and Duke Cancer Institute, Duke University Medical Center, Durham, NC 27710, USA.|Department of Surgical Oncology, The University of Texas M.D. Anderson Cancer Center, Houston, TX 77030, USA.|Department of Community and Family Medicine, Geisel School of Medicine, Dartmouth College, Hanover, NH 03750, USA.|Department of Biostatistics and Bioinformatics, Duke University and Duke Clinical Research Institute, Durham, NC 27710, USA.|Department of Statistics, Carnegie Mellon University, Pittsburgh, PA 15213, USA and.|Center of Statistical Research, School of Statistics, Southwestern University of Finance and Economics, Chengdu, Sichuan 611130, China.|Department of Medicine, Duke University School of Medicine and Duke Cancer Institute, Duke University Medical Center, Durham, NC 27710, USA.|Department of Biostatistics and.