Karyn Ayre1, Rina Dutta2, Louise Michelle Howard3. 1. Section of Women's Mental Health, Institute of Psychiatry, Psychology and Neuroscience, Kings College London, London SE5 8AF, UK; South London and Maudsley NHS Foundation Trust, Bethlem Royal Hospital, Beckenham, London, UK. Electronic address: karyn.k.ayre@kcl.ac.uk. 2. Academic Department of Psychological Medicine, Psychology and Neuroscience, Kings College London, London SE5 8AF, UK; South London and Maudsley NHS Foundation Trust, Bethlem Royal Hospital, Beckenham, London, UK. 3. Section of Women's Mental Health, Institute of Psychiatry, Psychology and Neuroscience, Kings College London, London SE5 8AF, UK; South London and Maudsley NHS Foundation Trust, Bethlem Royal Hospital, Beckenham, London, UK.