[1] Univ Calif Los Angeles, David Geffen Sch Med, Crump Inst Mol Imaging, Dept Mol & Med Pharmacol, Los Angeles, CA 90095 USA
[2] Univ Calif Los Angeles, Dept Ecol & Evolutionary Biol, Los Angeles, CA USA
[3] Natl Jewish Ctr Immunol & Resp Med, Dept Pediat, 1400 Jackson St, Denver, CO 80206 USA
[4] Univ Calif San Diego, Div Dermatol, San Diego, CA 92103 USA
[5] Univ Colorado Denver, Dept Pediat, Aurora, CO USA
[6] Univ Calif Los Angeles, DOE, Inst Genom & Prote, Los Angeles, CA USA