[1] Texas Christian Univ, Harris Coll Nursing & Hlth Sci, Ft Worth, TX USA
[2] Univ Penn, Sch Nursing, Philadelphia, PA USA
[3] Childrens Hosp Philadelphia, Diabet Ctr Children, Div Endocrinol & Diabet, Philadelphia, PA USA
[4] Childrens Hosp Philadelphia, Div Endocrinol & Diabet, Philadelphia, PA USA
[5] Yale Univ, Sch Med, Natl Clinician Scholars Program, New Haven, CT USA
[6] Univ Coll Cork, Yale Univ, Dept Paediat & Child Hlth, Cork, Ireland
[7] Univ Coll Cork, INFANT Res Ctr, Cork, Ireland
[8] Texas Christian Univ, Harris Coll Nursing & Hlth Sci, TCU Box 298620, Ft Worth, TX 76129 USA