1 Department of Psychology, Wayne State University, Detroit, Michigan.
2 Pain Psychology Center, Beverly Hills, California.
3 Department of Internal Medicine, Ascension Providence Hospital, Southfield, Michigan.
4 Division of General Internal Medicine, Department of Medicine and Department of Psychiatry, University of Colorado School of Medicine, Aurora, Colorado.
5 Department of Brain and Psychological Sciences, Dartmouth College, Hanover, New Hampshire.