Fiona Paul, DNP, RN, CPNP, is Nurse Practitioner, Department of Gastroenterology and Nutrition, Boston Children's Hospital, Boston, Massachusetts.
Julia Perkins, MS, RN, CPNP, is Nurse Practitioner, Department of Gastroenterology and Nutrition, Boston Children's Hospital, Boston, Massachusetts.
Hongyu Jiang, PhD, is Biostatistician, Department of Gastroenterology and Nutrition, Boston Children's Hospital, Boston, Massachusetts.
Margaret McCabe, PhD, RN, CPNP, is Nurse Scientist, Department of Gastroenterology and Nutrition, Boston Children's Hospital, Boston, Massachusetts.
Correspondence to: Fiona Paul, DNP, RN, CPNP, Department of Gastroenterology and Nutrition, Boston Children's Hospital, 300 Longwood Ave., Boston, MA 02115 ([email protected]).
The authors declare no conflict of interest.
Received February 14, 2013
Accepted June 25, 2013