[1] Indiana Univ Purdue Univ, Sch Hlth & Human Serv, Ft Wayne, IN 46805 USA
[2] Regenstrief Inst Hlth Care, Ctr Hlth Serv Res, Indianapolis, IN USA
[3] Lone Star Diabet & Endocrinol, Odessa, TX USA
[4] Texas Tech Univ, Sch Med Permian Basin, Odessa, TX USA
[5] Baylor Coll Med, Dept Pediat, Houston, TX 77030 USA
[6] Charles R Drew Univ, Dept Endocrinol, Los Angeles, CA USA
[7] Univ Calif Los Angeles, Sch Publ Hlth, Los Angeles, CA 90024 USA
[8] Driscoll Childrens Hosp, Diabet & Endocrine Ctr S Texas, Corpus Christi, TX USA
[9] Diabetech, Sacramento, CA USA