[1] Creighton Univ, Joint Sect Pediat Gastroenterol, Omaha, NE 68178 USA
[2] Univ Nebraska, Med Ctr, Omaha, NE USA
[3] Univ Calif Los Angeles, Dept Surg, Los Angeles, CA 90024 USA
[4] St Marys Hosp, Neonatal Surg Unit, Manchester M13 0JH, Lancs, England
[5] Univ Hosp Necker Enfants Malades, F-75252 Paris, France
[6] Univ Toronto, Dept Surg, Toronto, ON, Canada
[7] Univ Nebraska, Med Ctr, Dept Surg, Organ Transplantat Program, Omaha, NE USA
[8] Univ Calif Los Angeles, Dept Pediat, Los Angeles, CA 90024 USA
[9] Miami Univ, Sect Pediat Gastroenterol, Miami, FL USA
[10] Univ Pittsburgh, Thomas Starzl Transplantat Inst, Pittsburgh, PA USA
[11] Miami Univ, Sect Transplantat Surg, Miami, FL USA