[1] Univ Texas Hlth Sci Ctr Houston, Biostat Epidemiol Res Design Core, Ctr Clin & Translat Sci, 6410 Fannin St,UT Profess Bldg Suite 1100-05, Houston, TX 77030 USA
[2] Univ Texas Hlth Sci Ctr Houston, Epidemiol Biostat & Clin & Translat Sci, Houston, TX 77030 USA
[3] UTHSC Houston, Div Clin & Translat Sci, Dept Internal Med, McGovern Med Sch, Houston, TX USA
[4] Univ Texas Southwestern Med Ctr Dallas, Clin Sci, Dallas, TX 75390 USA
[5] Univ Texas Southwestern Med Ctr Dallas, Ctr Translat Med, Biostat Epidemiol & Res Design, Dallas, TX 75390 USA
[6] Univ Texas Southwestern Med Ctr Dallas, Simmons Comprehens Canc Ctr, Biostat & Bioinformat, Dallas, TX 75390 USA
[7] Mayo Clin, Biostat, Dept Hlth Sci Res, Rochester, MN USA
[8] Mayo Clin, Div Biomed Stat & Informat, Clin Stat, Rochester, MN USA
[9] Mayo Clin, Ctr Clin & Translat Sci, Biostat Epidemiol & Res Design Resource, Rochester, MN USA
[10] Univ Cincinnati, Coll Med, Dept Emergency Med, Res, Cincinnati, OH USA
[11] Univ Cincinnati, Coll Med, Clin Res, Cincinnati, OH USA
[12] UC Hlth, Res, Cincinnati, OH USA
[13] Med Univ South Carolina, Biostat, Dept Publ Hlth Sci, Charleston, SC USA
[14] MUSC, Biostat Epidemiol & Res Design Program, South Carolina Clin & Translat Res Inst, Charleston, SC USA
[15] Univ Alabama Birmingham, Dept Med, Div Prevent Med, Birmingham, AL 35294 USA
[16] Univ Alabama Birmingham, Biostat Epidemiol & Res Design Program, Ctr Clin & Translat Sci, Birmingham, AL USA
[17] Univ Calif Davis, Sch Med, Dept Publ Hlth Sci, Davis, CA 95616 USA
[18] Univ Texas Hlth Sci Ctr San Antonio, Sch Med, Epidemiol & Biostat, San Antonio, TX 78229 USA
[19] Univ Texas Hlth Sci Ctr San Antonio, Sch Med, Biostat Epidemiol & Res Core, San Antonio, TX 78229 USA
[20] Univ Texas Hlth Sci Ctr San Antonio, Sch Med, Bioinformat Core, San Antonio, TX 78229 USA
[21] Northwestern Univ, Feinberg Sch Med, Dept Prevent Med, Div Biostat, Chicago, IL 60611 USA
[22] Northwestern Univ, Feinberg Sch Med, Biostat Collaborat Ctr, Chicago, IL 60611 USA
[23] Northwestern Univ, Feinberg Sch Med, Res Design Anal Methods Program, Clin & Translat Sci Inst, Chicago, IL 60611 USA