[1] Stanford Univ, Dept Pediat, Sch Med, Div Neonatal & Dev Med, Palo Alto, CA 94304 USA
[2] Lucile Packard Childrens Hosp, Palo Alto, CA USA
[3] Calif Perinatal Qual Care Collaborat, Palo Alto, CA USA
[4] Duke Univ, Sch Med, Duke Univ Hlth Syst, Dept Psychiat, Durham, NC 27708 USA
[5] Duke Univ Hlth Syst, Duke Ctr Healthcare Safety & Qual, Durham, NC 27710 USA
[6] Duke Univ, Sch Nursing, Durham, NC USA
[7] Duke Univ, Dept Pediat, Sch Med, Durham, NC USA
[8] Stanford Univ, Sch Med, Dept Pediat, Div Pediat Crit Care Med, Palo Alto, CA 94304 USA
[9] Wake Forest Sch Med, Dept Biostat & Data Sci, Winston Salem, NC 27101 USA
[10] Beth Israel Deaconess Med Ctr, Dept Neonatol, Boston, MA 02215 USA
[11] Univ N Carolina, Div Neonatal Perinatal Med, Sch Med, Chapel Hill, NC 27515 USA
[12] Univ N Carolina, Childrens Hosp, Chapel Hill, NC 27515 USA
[13] Baylor Coll Med, Sect Neonatol, Houston, TX 77030 USA
[14] Texas Childrens Hosp, Houston, TX 77030 USA
[15] Univ Texas Hlth Sci Ctr Houston, Dept Pediat Neonatol, Houston, TX 77030 USA
[16] Childrens Mem Hermann Hosp, Houston, TX USA
[17] Harvard Med Sch, Dept Pediat, Div Newborn Med, Boston, MA 02115 USA
[18] Univ New Mexico, Sch Med, Dept Pediat, Div Neonatol, Albuquerque, NM 87131 USA
[19] Univ Texas Hlth Sci Ctr Houston, Dept Internal Med, Houston, TX 77030 USA
[20] Mem Hermann Med Ctr, Houston, TX USA
[21] Duke Univ, Div Pediat Neonatol, Sch Med, Durham, NC USA
[22] Duke Univ Hosp, Durham, NC USA