[1] Oregon Hlth & Sci Univ, Dept Obstet & Gynecol, Div Maternal Fetal Med, Portland, OR 97239 USA
[2] Oregon Hlth & Sci Univ, Dept Urol, Portland, OR USA
[3] Harvard Med Sch, Brigham & Womens Hosp, Div Hematol, Boston, MA USA
[4] Oregon Hlth & Sci Univ, Knight Canc Inst, Div Hematol & Med Oncol, Portland, OR USA
[5] Georgetown Univ, Sch Med, Dept Med, Washington, DC USA
[6] Knight Canc Inst, Portland, OR USA
[7] Oregon Hlth & Sci Univ, Pacific Northwest Evidence Based Practice Ctr, Portland, OR USA
[8] Yale Sch Med, Dept Med, Sect Hematol, New Haven, CT USA
[9] Hosp Univ Penn, Abramson Canc Ctr, Philadelphia, PA USA
[10] Beth Israel Deaconess Med Ctr, Div Hematol & Hematol Malignancies, Boston, MA USA
[11] Univ Minnesota, Dept Pediat, Div Neonatol, Minneapolis, MN 55455 USA
[12] Oregon Hlth & Sci Univ, Div Pediat Hematol & Oncol, Portland, OR USA
[13] Oregon Hlth & Sci Univ, Div Pediat Crit Care, Dept Pediat, Portland, OR USA
[14] Brown Univ, Warren Alpert Med Sch, Dept Obstet & Gynecol, Div Maternal Fetal Med, Providence, RI 02912 USA
[15] East Tennessee State Univ, James H Quillen Coll Med, Dept Internal Med, Johnson City, TN USA
[16] East Tennessee State Univ, James H Quillen Coll Med, Dept Med Educ, Johnson City, TN USA
[17] East Tennessee State Univ, James H Quillen Coll Med, Dept Pathol, Johnson City, TN USA
[18] Univ Calif Los Angeles, David Geffen Sch Med, Dept Med, Los Angeles, CA USA
[19] Baylor Coll Med, Dept Pediat, Div Hematol Oncol, Houston, TX USA
[20] UCL, Inst Clin Trials & Methodol, London, England
[21] Med Univ South Carolina, Med Univ South Carolina Digest Dis Res Ctr, Charleston, SC USA
[22] Harvard Med Sch, Massachusetts Gen Hosp, Boston, MA USA
[23] Univ Toronto, St Michaels Hosp, Li Ka Shing Knowledge Inst, Dept Med, Toronto, ON, Canada
[24] Univ Toronto, St Michaels Hosp, Li Ka Shing Knowledge Inst, Dept Lab Med & Pathobiol, Toronto, ON, Canada
[25] Univ Michigan, Med Sch, Dept Pediat, Ann Arbor, MI USA
[26] McMaster Univ, Michael G DeGroote Ctr Transfus Res, Dept Med, Hamilton, ON, Canada
[27] Canadian Blood Serv, Hamilton, ON, Canada