[1] Univ Arizona, UAHS Ctr Sleep & Circadian Sci, Tucson, AZ USA
[2] Univ Arizona, Div Pulm Allergy Crit Care Med & Sleep Med, Tucson, AZ USA
[3] Harvard Med Sch, Brigham & Womens Hosp, Div Sleep & Circadian Disorders, Boston, MA 02115 USA
[4] Univ Arizona, Dept Pediat, Tucson, AZ 85721 USA
[5] Univ Oklahoma, Oklahoma City, OK USA