.A listing of participants and their affiliations seems in the Supplementary Information.Neuroscape, Team of Neurology, College of California, San Francisco, San Francisco, CA, USAJennifer M. MitchellDepartment of Psychiatry and Behavioral Sciences, College of The Golden State, San Francisco, San Francisco, CA, USAJennifer M. Mitchellu00c2 & u00c2 Sylvestre QuevedoDepartment of Veterans Events, Investigation Company, San Francisco VA Medical Facility, San Francisco, CA, USAJennifer M. MitchellAguazul-Bluewater, Inc., Stone, CO, USAMarcela Otu00e2 $ alora GBoston University Institution of Medicine, Boston Ma, MA, USABessel van der KolkWholeness Facility, Fort Collins, CARBON MONOXIDE, USAScott ShannonDepartment of Psychiatry, New York University Grossman Institution of Medicine, The Big Apple, NY, USAMichael BogenschutzZen Curative Solutions, Mt. Pleasant, SOUTH CAROLINA, USAYevgeniy GelfandNautilus Shelter, The Big Apple, NY, USACasey PaleosDepartment of Loved Ones Medicine and Neighborhood Health, College of Wisconsin School of Medicine as well as Public Health, Madison, WI, USAChristopher R. NicholasSan Francisco Idea and also Combination Center, San Francisco, CA, USASylvestre QuevedoNew School Investigation, LLC, Los Angeles, CA, USABrooke BalliettMAPS Public Benefit Firm, San Jose, CA, USAScott Hamilton, u00c2 Charlotte nc Harrisonu00c2 & u00c2 Berra Yazar-KlosinskiMedical University of South Carolina, Charleston, SC, USAMichael MithoeferKleiman Consulting and Psychological Companies, PC, Ivyland, PA, USASarah KleimanKPG Psychological Services, LLC, Brunswick, ME, USAKelly Parker-GuilbertUniversity of Haifa, Haifa, IsraelKeren TzarfatyMAPS Israel, Hod Hasharon, IsraelKeren TzarfatyTulip Medical Consulting, LLC, Slot Townsend, WA, USAAlberdina de BoerMultidisciplinary Affiliation for Psychedelic Studies (MAPS), San Jose, CA, USARick Doblin.