[1] Univ Calif Los Angeles, David Geffen Sch Med, Dept Mol & Med Pharmacol, B2-085E CHS 10833 Conte Ave, Los Angeles, CA 90095 USA
[2] Hokkaido Univ, Grad Sch Med, Dept Radiol, Sapporo, Hokkaido, Japan
[3] Hokkaido Univ, Grad Sch Med, Dept Otolaryngol Head & Neck Surg, Sapporo, Hokkaido, Japan
[4] Univ Calif Los Angeles, Dept Pathol, Los Angeles, CA 90024 USA
[5] Amer Specialty Lab Inc, Canoga Pk, CA USA
[6] Roesler Facial Plast Surg & ENT, Tarzana, CA USA