[1] Childrens Mercy Hosp, Hlth Serv & Outcomes Res, 2401 Gillham Rd, Kansas City, MO 64108 USA
[2] Univ Missouri, Dept Biomed & Hlth Informat, Kansas City, MO 64110 USA
[3] Univ Missouri, Dept Pediat, Kansas City, MO 64110 USA
[4] Childrens Mercy Hosp, Div Endocrinol, Kansas City, MO 64108 USA
[5] Univ Kansas, Med Ctr, Dept Pediat, Kansas City, KS 66103 USA