[1] Univ Colorado, Denver Sch Med, Aurora, CO USA
[2] Univ Colorado, Denver Barbara Davis Ctr Childhood Diabet, Aurora, CO USA
[3] Univ Colorado, Sch Publ Hlth, Dept Biostat & Informat, Aurora, CO USA
[4] Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
[5] Univ Washington, Dept Med, Seattle, WA USA
[6] Natl Inst Diabet & Digest & Kidney Dis, Phoenix, AZ USA