[1] Univ Michigan, Sch Med, Dept Pediat, Ann Arbor, MI USA
[2] Univ Michigan, Ctr Human Growth & Dev, 300 N Ingalls St,10th Floor, Ann Arbor, MI 48109 USA
[3] Univ Michigan, Sch Publ Hlth, Dept Hlth Behav & Hlth Educ, Ann Arbor, MI 48109 USA
[4] Univ Michigan, Sch Publ Hlth, Dept Nutr Sci, Ann Arbor, MI 48109 USA
[5] Univ Michigan, Dept Biostat, Ann Arbor, MI 48109 USA
[6] Michigan State Univ, Dept Human Dev & Family Studies, E Lansing, MI 48824 USA
[7] Michigan State Univ, Coll Nursing, E Lansing, MI 48824 USA
[8] Michigan State Univ Extens, Hlth & Nutr Inst, E Lansing, MI USA