Adventist Health-White Memorial Los Angeles, CA AHMC Anaheim Regional Medical Center Anaheim, CA Beverly Hospital Montebello, CA Fountain Valley Regional Hospital and Medical Center Fountain Valley, CA Garfield Medical Center Monterey Park, CA Huntington Memorial Hospital Pasadena, CA Memorial Hospital of Gardena Gardena, CA Methodist Hospital of Southern California Arcadia, CA Monterey Park Hospital Monterey Park, CA PIH Health Hospital-Downey Downey, CA