


SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP
THE PERMANENTE MEDICAL GROUP, INC.
THE UNIVERSITY OF VERMONT MEDICAL CENTER
ST. JUDE CHILDREN'S RESEARCH HOSPITAL
BAPTIST HEALTHCARE SYSTEM, INC.
MYMICHIGAN HEALTH
WESTERN CONNECTICUT HEALTH NETWORK, INC.
COOK CHILDREN'S HEALTH CARE SYSTEM
ROPER ST. FRANCIS HEALTHCARE
NORTHWESTERN MEMORIAL HOSPITAL