[1] Univ Texas Southwestern Med Ctr, Dept Internal Med & Pediat, Dallas, TX 75390 USA
[2] Boston Med Ctr, Boston, MA USA
[3] Univ Arizona, Coll Med Phoenix, Dept Family Community & Prevent Med, Tucson, AZ USA
[4] Univ Arizona, Coll Agr Life & Environm Sci, Sch Nutr Sci & Wellness, Tucson, AZ USA
[5] Univ Southern Calif, Keck Sch Med, Clin Family Med & Populat & Publ Hlth, Los Angeles, CA USA