1. Department of Medical Psychology and Psychiatry, School of Medical Sciences, University of Campinas, Campinas, SP, Brazil
2. Interdisciplinary Cooperation for Ayahuasca Research and Outreach (ICARO), School of Medical Sciences, University of Campinas, Campinas, SP, Brazil
3. Schools of Population Health and Pharmacy, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, New Zealand
4. Brain Institute, Federal University of Rio Grande do Norte, Natal, RN, Brazil
5. Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands
6. Psychological and Brain Science Department, University of California, Santa Barbara, CA, USA
7. The Beckley Foundation, Oxford, UK