[1] USPSTF, Agcy Healthcare Res & Qual, Rockville, MD 20850 USA
[2] Colorado Dept Publ Hlth & Environm, Denver, CO USA
[3] Univ Maryland, Sch Nursing, Baltimore, MD 21201 USA
[4] Univ Washington, Dept Family Med, Seattle, WA 98195 USA
[5] Tri Cty Family Med, Cohocton, NY USA
[6] Univ Rochester, Rochester, NY USA
[7] Pan Amer Hlth Org, Washington, DC USA
[8] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Epidemiol, Baltimore, MD USA
[9] Cedars Sinai Med Ctr, Dept Obstet & Gynecol, Los Angeles, CA 90048 USA
[10] Univ N Carolina, Sch Med, Ctr Hlth Serv Res, Chapel Hill, NC USA
[11] Univ Med & Dent New Jersey, New Jersey Med Sch, Newark, NJ 07103 USA
[12] Univ Rochester, Sch Med, Dept Pediat, Rochester, NY 14642 USA
[13] Univ Michigan, Sch Nursing, Ann Arbor, MI 48109 USA
[14] Univ Texas, Dept Pediat, Houston, TX 77225 USA
[15] Univ Massachusetts, Sch Med, Div Prevent & Behav Med, Worcester, MA 01605 USA
[16] Kaiser Permanente So Calif, Pasadena, CA USA
[17] Mt Sinai Med Ctr, Brookdale Dept Geriatr & Adult Dev, New York, NY 10029 USA
[18] Merck & Co Inc, Outcomes Res & Management, West Point, PA USA
[19] Olmstead Res Ctr, Rochester, MN USA