[1] Univ Calif Irvine, Dept Anesthesiol & Perioperat Care, Irvine, CA USA
[2] Childrens Hosp Orange Cty, Orange, CA 92668 USA
[3] Univ Calif Irvine, Ctr Stress & Hlth, Irvine, CA USA
[4] Yale Univ, Sch Med, Child Study Ctr, New Haven, CT USA
[5] Univ Calif Irvine, Sue & Bill Gross Sch Nursing, Irvine, CA USA
[6] Univ Freiburg, Inst Psychol, Dept Rehabil Psychol & Psychotherapy, Freiburg, Germany
[7] Univ Calif Irvine, Dept Chicano Latino Studies, Irvine, CA USA