机构:
Harbor UCLA Med Ctr, Dept Surg, Div Pediat Surg, Torrance, CA 90509 USA
Univ Calif Los Angeles, David Geffen Sch Med, Dept Surg, Los Angeles, CA 90095 USA
Univ Calif Los Angeles, David Geffen Sch Med, Dept Pediat, Los Angeles, CA 90095 USAHarbor UCLA Med Ctr, Dept Surg, Div Pediat Surg, Torrance, CA 90509 USA