[1] Univ Washington, Seattle, WA 98195 USA
[2] Univ Maryland, Sch Nursing, Baltimore, MD 21201 USA
[3] Univ Rochester, Sch Med, Rochester, NY 14627 USA
[4] Natl Initiat Childrens Healthcare Qual, Boston, MA USA
[5] Univ Med & Dent New Jersey, New Jersey Med Sch, Newark, NJ 07103 USA
[6] Harvard Univ Pilgrim Hlth Care, Boston, MA 02115 USA
[7] Harvard Univ, Sch Med, Boston, MA 02115 USA
[8] Univ Texas, Hlth Sci Ctr, San Antonio, TX 78284 USA
[9] Robert Wood Johnson Fdn, Princeton, NJ 08540 USA
[10] Women & Infants Hosp Rhode Isl, Providence, RI 02908 USA
[11] Univ Michigan, Ann Arbor, MI 48109 USA
[12] CUNY Mt Sinai Sch Med, New York, NY 10029 USA
[13] Merck & Co Inc, West Point, PA USA
[14] Columbia Univ, New York, NY 10032 USA
[15] Virginia Commonwealth Univ, Fairfax, VA USA