1. Department of Anesthesiology, Mayo Clinic, Rochester, Minnesota.
2. Department of Psychiatry and Psychology, Mayo Clinic, Rochester, Minnesota.
3. Department of Psychology, Mayo Clinic, Rochester, Minnesota.
4. Department of Nursing, Mayo Clinic, Rochester, Minnesota.
5. Department of Patient Education, Mayo Clinic, Rochester, Minnesota.
6. Department of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota.