1. Department of Psychiatry, Faculty of Medicine, Universidad Francisco Marroquín, Guatemala City, Guatemala
2. Department of Bioinformatics, Faculty of Medicine, Universidad Francisco Marroquín, Guatemala City, Guatemala
3. División de cabeza y cuello, Hospital General de México, Universidad Nacional Autónoma de México, Mexico City, Mexico
4. Camden and Islington NHS Foundation Trust, London, UK
5. South London and Maudsley Foundation NHS Trust, London, UK
6. National University Asuncion, San Lorenzo, Paraguay
7. University of Foggia, Foggia, Italy
8. Institute of Psychiatry, KCL, London, UK