.A list of participants and their connections appears in the Supplementary Information.Neuroscape, Team of Neurology, University of The Golden State, 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 Issues, Study Company, San Francisco VA Medical Center, San Francisco, CA, USAJennifer M. MitchellAguazul-Bluewater, Inc., Boulder, CO, USAMarcela Otu00e2 $ alora GBoston College College of Medicine, Boston Ma, MA, USABessel truck der KolkWholeness Center, Fort Collins, CARBON MONOXIDE, USAScott ShannonDepartment of Psychiatry, Nyc College Grossman Institution of Medicine, New York, NY, USAMichael BogenschutzZen Restorative Solutions, Mt. Pleasant, SC, USAYevgeniy GelfandNautilus Sanctuary, The Big Apple, NY, USACasey PaleosDepartment of Family Medication and also Area Health And Wellness, College of Wisconsin University of Medicine as well as Public Health, Madison, WI, USAChristopher R. NicholasSan Francisco Idea and Assimilation Facility, San Francisco, CA, USASylvestre QuevedoNew School Research, LLC, Los Angeles, CA, USABrooke BalliettMAPS Public Benefit Corporation, San Jose, CA, USAScott Hamilton, u00c2 Charlotte nc Harrisonu00c2 & u00c2 Berra Yazar-KlosinskiMedical College of South Carolina, Charleston, SC, USAMichael MithoeferKleiman Consulting as well as Psychological Companies, PERSONAL COMPUTER, 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, Port Townsend, WA, USAAlberdina de BoerMultidisciplinary Association for Psychedelic Research Studies (CHARTS), San Jose, CA, USARick Doblin.