[1] Univ Minnesota Twin Cities, Sch Med, Minneapolis, MN USA
[2] SUNY Stony Brook, Renaissance Sch Med, Stony Brook, NY USA
[3] KPC Hlth Hemet Global Med Ctr, Hemet, CA USA
[4] Univ Nevada Reno, Sch Med, Reno, NV USA
[5] Univ Calif Riverside, Sch Med, Riverside, CA USA
[6] Univ Miami, Miller Sch Med, Miami, FL USA