Weiner Center for Preoperative Evaluation, Boston, Massachusetts, United States
Vanderbilt University Medical Center, Nashville, Tennessee, United States
Brigham and Women's Hospital, Boston, Massachusetts, United States
Oregon Health and Science University, Portland, Oregon, United States
Brigham and Women's Hospital, Boston, Massachusetts, United States
Weiner Center for Preoperative Evaluation, Boston, Massachusetts, United States
Newton Wellesley Hospital, Newton, Massachusetts, United States
Massachusetts General Hospital, Boston, Massachusetts, United States
Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
University of Texas Southwestern Medical Center, Dallas, Texas, United States
University Hospitals-Case Medical Center, Cleveland, Ohio, United States
Brigham and Women's Hospital, Boston, Massachusetts, United States
Brigham and Women's Hospital, Boston, Massachusetts, United States
Brigham and Women's Hospital, Boston, Massachusetts, United States