1 Center for Psychedelic and Consciousness Research, Department of Psychiatry & Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, United States.
2 Institute for Advanced Consciousness Studies, Santa Monica, CA, United States.
3 Cognitive Science Program, Indiana University, Bloomington, IN, United States.
4 Kinsey Institute, Indiana University, Bloomington, IN, United States.
5 Department of Philosophy, Macquarie University, Sydney, NSW, Australia.
6 Department of Philosophy and Department of Informatics, University of Sussex, Brighton, United Kingdom.