[1] US Prevent Serv Task Force, Agcy Healthcare Res & Qual, Rockville, MD USA
[2] Univ Maryland, Baltimore, MD 21201 USA
[3] Colorado Dept Publ Hlth & Environm, Denver, CO USA
[4] Univ Rochester, Rochester, NY USA
[5] Tri Cty Family Med, Cohocton, NY USA
[6] Pan Amer Hlth Org, Washington, DC USA
[7] Univ N Carolina, Sch Med, Chapel Hill, NC USA
[8] Univ Med & Dent New Jersey, New Jersey Med Sch, Newark, NJ 07103 USA
[9] Univ Rochester, Sch Med, Rochester, NY USA
[10] Univ Michigan, Ann Arbor, MI 48109 USA
[11] Univ Texas, Houston, TX USA
[12] Robert Wood Johnson Fdn, Princeton, NJ 08540 USA
[13] Mt Sinai Sch Med, New York, NY USA
[14] Merck & Co Inc, West Point, PA USA
[15] Columbia Univ, New York, NY USA
[16] Virginia Commonwealth Univ, Fairfax, VA USA