Sidney Bloch AM, MB ChB, PhD, DPM, FRCPsych, FRANZCP is Emeritus Professor in the Department of Psychiatry and the Centre for Health and Society at the University of Melbourne, and Honorary Psychiatrist at St Vincent's Hospital.
Stephen A. Green, M.D., M.A. is Clinical Professor of Psychiatry at Georgetown University, and has a private psychiatric practice in Washington, D.C.