1. Kent and Medway NHS and Social Care Partnership Trust, UK
2. Department of Internal Medicine, Faculty of Medicine, University of Brasilia, Brasil
3. Department of Psychiatry, Faculty of Medicine, Prince of Songkla University, Thailand
4. Department of Clinical and Experimental Medicine, University of Foggia, Foggia, Italy
5. Institute of Psychiatry, Psychology and Neurosciences, Kings College, London, UK
6. University of East London, London, UK
7. Camden and Islington Foundation NHS Trust, London, UK
8. South London and Maudsley NHS Foundation Trust, London, UK