[1] Med Univ South Carolina, Shawn Jenkins Childrens Hosp, Dept Pediat, Div Pediat Neurol, Charleston, SC 29425 USA
[2] Envision Phys Serv, Clearwater, FL 33760 USA
[3] Univ Missouri, Dept Pediat, Kansas City, MO USA
[4] Childrens Mercy Hosp, Kansas City, MO USA
[5] Univ Missouri, Kansas City Sch Med, Kansas City, MO USA
[6] Northwestern Univ, Ann & Robert H Lurie Childrens Hosp, Feinberg Sch Med, Div Neonatol, Chicago, IL USA
[7] Northwestern Univ, Feinberg Sch Med, Dept Pediat, Chicago, IL USA
[8] Univ Cincinnati, Cincinnati Childrens Hosp, Div Neonatol, Cincinnati, OH USA
[9] Univ Cincinnati, Dept Pediat, Cincinnati, OH USA
[10] UT Southwestern Med Ctr, Dept Pediat, Div Neonatal Perinatal Med, Dallas, TX 75390 USA
[11] Univ Tennessee, Gastroenterol & Hepatol, Coll Med, Chattanooga, TN USA
[12] Univ Tennessee, Coll Med, Dept Pediat, Chattanooga, TN USA
[13] Univ Penn, Childrens Hosp Philadelphia, Div Neonatol, Philadelphia, PA USA
[14] Univ Penn, Perelman Sch Med, Dept Pediat, Philadelphia, PA USA
[15] Santa Fe Coll, Gainesville, FL USA
[16] St Louis Univ, St Louis, MO 63103 USA
[17] Univ Kansas, Med Ctr, Dept Pediat, Kansas City, KS USA