[1] Univ Calif Los Angeles, Dept Med, David Geffen Sch Med, Los Angeles, CA 90095 USA
[2] Univ Calif Los Angeles, Dept Biomath, Los Angeles, CA 90095 USA
[3] NIAID, NIH, 9000 Rockville Pike, Bethesda, MD 20892 USA
[4] Rho Fed Syst Inc, Chapel Hill, NC USA
[5] Univ Michigan, Dept Med, Med Sch, Ann Arbor, MI 48109 USA
[6] Georgetown Univ, Dept Med, Washington, DC USA
[7] Univ Illinois Hosp, Dept Med, Chicago, IL USA
[8] Univ Med & Dent New Jersey, Dept Med, New Brunswick, NJ USA
[9] Duke Univ, Dept Med, Durham, NC USA
[10] UCLA, Los Angeles, CA USA
[11] Univ Med & Dent New Jersey, New Brunswick, NJ USA
[12] Univ Illinois, Chicago, IL USA
[13] Boston Univ, Boston, MA 02215 USA
[14] Med Univ South Carolina, Charleston, SC 29425 USA
[15] Johns Hopkins Sch Med, Baltimore, MD USA
[16] Georgetown Univ, Washington, DC USA
[17] Univ Texas Houston, Houston, TX USA
[18] Univ Calif San Francisco, San Francisco, CA 94143 USA
[19] Univ Alabama Birmingham, Birmingham, AL USA
[20] Univ Connecticut, Ctr Hlth, Farmington, CT USA
[21] Wayne State Univ, Detroit, MI USA
[22] Virginia Mason Res Ctr, 1000 Seneca St, Seattle, WA 98101 USA
[23] Harvard Med Sch, Data Safety & Monitoring Board, Boston, MA USA
[24] Brown Univ, Vet Affairs Med Ctr, Providence, RI 02912 USA
[25] Cedars Sinai UCLA, Los Angeles, CA USA
[26] Clin Trials Surveys, Baltimore, MD USA
[27] UCLA, Mortal & Morbid Review Comm, Los Angeles, CA USA
[28] Johns Hopkins Univ, Baltimore, MD USA
[29] Univ Boston, Boston, MA USA
[30] Northwestern Univ, Evanston, IL 60208 USA
[31] Univ Michigan, Ann Arbor, MI 48109 USA
[32] Natl Jewish Hlth, Denver, CO USA
[33] Univ Utah, Salt Lake City, UT 84112 USA
[34] Univ Minnesota, Minneapolis, MN 55455 USA