[1] Harvard Med Sch, Massachusetts Gen Hosp, Boston, MA 02115 USA
[2] Johns Hopkins Bloomberg Sch Publ Hlth, Baltimore, MD USA
[3] NCI, Pathol Lab, NIH, Bldg 10, Bethesda, MD 20892 USA
[4] Childrens Hosp Oakland, Res Inst, Oakland, CA 94609 USA
[5] Indiana Univ Sch Med, Indianapolis, IN 46202 USA
[6] Case Western Reserve Univ, Cleveland, OH 44106 USA
[7] Duke Univ, Med Ctr, Durham, NC USA
[8] Johns Hopkins Univ, Sch Med, Baltimore, MD USA
[9] St Louis Univ, Sch Med, St Louis, MO USA
[10] Baylor Coll Med, Houston, TX 77030 USA
[11] Univ Calif San Diego, San Diego, CA 92103 USA
[12] Univ Calif San Francisco, San Francisco, CA 94143 USA
[13] Univ Washington, Med Ctr, Virginia Mason Med Ctr, Seattle, WA 98195 USA
[14] Virginia Commonwealth Univ, Richmond, VA USA
[15] Childrens Natl Med Ctr, Washington, DC 20010 USA
[16] NCI, Bethesda, MD 20892 USA
[17] NIDDK, Bethesda, MD 20892 USA
[18] Eunice Kennedy Shriver Natl Inst Child Hlth & Hum, Bethesda, MD USA
[19] Johns Hopkins Univ, Bloomberg Sch Publ Hlth, Data Coordinating Ctr, Baltimore, MD USA