Affiliation: | a Department of Anesthesiology, Yale School of Medicine, New Haven, CT b Department of Epidemiology and Public Health, Yale School of Medicine, New Haven, CT c Department of Orthopedics and Rehabilitation, Yale School of Medicine, New Haven, CT d Department of Obstetrics and Gynecology, Yale School of Medicine, New Haven, CT e Department of Anesthesiology, Yale School of Medicine, New Haven, CT f Women's Education and Life Learning Center, Yale-New Haven Hospital, New Haven, CT g Departments of Anesthesiology, Pediatrics, Psychiatry, and Human Behavior, University of California School of Medicine, Irvine, CA |