Anne K.I. Sonley, J.D., M.D., FRCPC, is Lecturer at the University of Toronto, and Psychiatrist at the Borderline Personality Disorders Clinic at the Centre for Addiction and Mental Health in Toronto, Ontario, Canada.

Lois W. Choi-Kain, M.D., M.Ed., is Director of the Gunderson Personality Disorders Institute in Belmont, Massachusetts, and Assistant Professor of Psychiatry at Harvard Medical School in Boston, Massachusetts.