1. Fletcher Allen Health Care; Division of Neonatal Perinatal Medicine; McClure 7 111 Colchester Avenue Burlington Vermont USA 05401
2. Academic Medical Center; Pediatrics, H3-145; P.O. Box 22700 Amsterdam Netherlands 1100 DE
3. University of Vermont; Division of Neonatal-Perinatal Medicine; Fletcher Allen Health Care, Smith 552A 111 Colchester Avenue Burlington Vermont USA 05401