Kaiser Permanente Center for Health Research, Portland, Oregon, United States
Oregon Research Institute, Eugene, Oregon, United States
Free & Clear, Inc., Seattle, Washington, United States
Kaiser Permanente, Department of OB/GYN, San Francisco, California, United States
Kaiser Permanente - Georgia, Atlanta, Georgia, United States
Summit Medical Center, Oakland, California, United States
Kaiser Pemanente, Cleveland, Ohio, United States
Kaiser Permanente, Vallejo, California, United States
Kaiser Foundation Hospital, Honolulu, Hawaii, United States
Presbyterian Medical Group, Philadelphia, Pennsylvania, United States
Edward S. Cooper Internal Medicine Practice, Philadelphia, Pennsylvania, United States
Kaiser Permanente Center for Health Research, Portland, Oregon, United States