1. Division of Psychiatry, Department of Brain Sciences, Centre for Psychedelic Research, Imperial College London, London, UK
2. Division of Psychiatry, Lisbon Psychiatric Hospital Centre, Lisbon, Portugal
3. Faculty of Medicine, Department of Psychiatry, McGill University, Ludmer Research and Training Building, Montréal, QC, Canada
4. Lady Davis Institute, Jewish General Hospital, Montréal, QC, Canada
5. Centre for Complexity Science, Imperial College London, London, UK
6. Department of Informatics, University of Sussex, Brighton, UK
7. Centre for Eudaimonia and Human Flourishing, University of Oxford, Oxford, UK
8. Departments of Neurology and Psychiatry, Carhart-Harris Lab, University of California San Francisco, San Francisco, CA, USA