1. Department of Psychiatry, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
2. Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
3. Camden and Islington NHS Foundation Trust, London, United Kingdom
4. South London and Maudsley NHS Foundation Trust, London, United Kingdom
5. Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, United Kingdom