[1] Univ Utah, Dept Pediat, Div Neonatol, Salt Lake City, UT 84112 USA
[2] Univ Utah, Dept Pediat, Div Clin Pharmacol, Salt Lake City, UT 84112 USA
[3] Duke Univ, Dept Pediat, Durham, NC 27706 USA
[4] Duke Univ, Duke Clin Res Inst, Durham, NC USA
[5] Sanofi Pharmaceut, Translat Informat & Pediat Network, Bridgewater, NJ USA
[6] Erasmus MC Sophia Childrens Hosp, Intens Care, Rotterdam, Netherlands
[7] Erasmus MC Sophia Childrens Hosp, Dept Surg, Rotterdam, Netherlands
[8] Univ Leuven, Neonatal Intens Care Unit, Leuven, Belgium
[9] Novartis Pharmaceut, Pediat Therapeut Area, E Hanover, NJ USA
[10] Tufts Univ, Dept Pediat, Floating Hosp Children, Tufts Med Ctr, Boston, MA 02111 USA
[11] Tufts Univ, Tufts Clin & Translat Sci Inst, Boston, MA 02111 USA
[12] Univ Liverpool, Inst Translat Med, Liverpool, Merseyside, England
[13] Crit Path Inst, Tucson, AZ USA