1. Department of Anesthesiology; Northwestern University Feinberg School of Medicine; Chicago; Illinois; U.S.A
2. Department of Anesthesiology; Boston Children's Hospital; Boston; Massachusetts; U.S.A
3. Temecula Valley Anesthesiologist; Temecula; California; U.S.A
4. Transitional Year; Department of Medicine; North Shore Hospital; University of Chicago; Evanston; Illinois; U.S.A