1. University of Edinburgh, Royal Edinburgh Hospital; Edinburgh UK EH10 5HF
2. National University of Ireland; Department of Psychiatry, Clinical Sciences Institute, University College Hospital; Galway Ireland
3. University of Edinburgh; Department of Psychiatry; Royal Edinburgh Hospital Edinburgh Scotland UK EH10 5HF
4. University of Edinburgh; Division of Psychiatry; Royal Edinburgh Hospital Edinburgh Lothian UK EH10 5HF