1. Interdisciplinary Center for Studies in Palliative Care, School of Nursing, Federal University of Alfenas, Alfenas, Brazil
2. Interdisciplinary Cooperation for Ayahuasca Research and Outreach (ICARO), School of Medical Sciences, University of Campinas, Campinas, Brazil
3. Brain Institute, Federal University of Rio Grande do Norte, Natal, Brazil
4. Health Sciences Center, Federal University of Recôncavo da Bahia, Santo Antônio de Jesus, BA, Brazil
5. Institute of Exact Sciences, Federal University of Alfenas, Alfenas, Brazil