1. Department of Psychiatry, Chonnam National University Medical School, Gwangju, Korea
2. Department of Neurology, Chonnam National University Medical School, Gwangju, Korea
3. Department of Emergency Medicine, Chonnam National University Medical School, Gwangju, Korea
4. King’s College London (Institute of Psychiatry, Psychology and Neuroscience), London, UK
5. South London and Maudsley NHS Foundation Trust, London, UK