.A listing of participants and their connections appears in the Supplementary Information.Neuroscape, Division of Neurology, University of California, San Francisco, San Francisco, CA, USAJennifer M. MitchellDepartment of Psychiatry and Behavioral Sciences, University of The Golden State, San Francisco, San Francisco, CA, USAJennifer M. Mitchellu00c2 & u00c2 Sylvestre QuevedoDepartment of Veterans Issues, Analysis Solution, San Francisco VA Medical Center, San Francisco, CA, USAJennifer M. MitchellAguazul-Bluewater, Inc., Stone, CARBON MONOXIDE, USAMarcela Otu00e2 $ alora GBoston College Institution of Medicine, Boston Ma, MA, USABessel van der KolkWholeness Facility, Fort Collins, CO, USAScott ShannonDepartment of Psychiatry, New York College Grossman Institution of Medicine, Nyc, NY, USAMichael BogenschutzZen Curative Solutions, Mt. Pleasant, SC, USAYevgeniy GelfandNautilus Refuge, New York, NY, USACasey PaleosDepartment of Household Medication and Community Health, Educational Institution of Wisconsin College of Medicine and Public Health, Madison, WI, USAChristopher R. NicholasSan Francisco Understanding and also Combination Center, San Francisco, CA, USASylvestre QuevedoNew School Analysis, LLC, Los Angeles, CA, USABrooke BalliettMAPS People Advantage Company, San Jose, CA, USAScott Hamilton, u00c2 Charlotte nc Harrisonu00c2 & u00c2 Berra Yazar-KlosinskiMedical University of South Carolina, Charleston, SC, USAMichael MithoeferKleiman Consulting and also Psychological Companies, COMPUTER, Ivyland, , USASarah KleimanKPG Psychological Providers, 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 Organization for Psychedelic Research Studies (MAPS), San Jose, CA, USARick Doblin.