.A listing of participants as well as their associations appears in the Supplementary Information.Neuroscape, Department of Neurology, College of The Golden State, San Francisco, San Francisco, CA, USAJennifer M. MitchellDepartment of Psychiatry and Behavioral Sciences, Educational Institution of California, San Francisco, San Francisco, CA, USAJennifer M. Mitchellu00c2 & u00c2 Sylvestre QuevedoDepartment of Veterans Affairs, Analysis Company, San Francisco VA Medical Center, San Francisco, CA, USAJennifer M. MitchellAguazul-Bluewater, Inc., Boulder, CARBON MONOXIDE, USAMarcela Otu00e2 $ alora GBoston Educational institution Institution of Medication, Boston, MA, USABessel vehicle der KolkWholeness Facility, Ft Collins, CARBON MONOXIDE, USAScott ShannonDepartment of Psychiatry, The Big Apple College Grossman College of Medication, New York, NY, USAMichael BogenschutzZen Curative Solutions, Mt. Pleasant, SC, USAYevgeniy GelfandNautilus Sanctuary, New York City, NY, USACasey PaleosDepartment of Family Medicine and also Neighborhood Health, University of Wisconsin College of Medicine and Public Health, Madison, WI, USAChristopher R. NicholasSan Francisco Knowledge and Integration Facility, San Francisco, CA, USASylvestre QuevedoNew University Study, LLC, Los Angeles, CA, USABrooke BalliettMAPS Public Advantage Company, San Jose, CA, USAScott Hamilton, u00c2 Charlotte Harrisonu00c2 & u00c2 Berra Yazar-KlosinskiMedical Educational Institution of South Carolina, Charleston, SC, USAMichael MithoeferKleiman Consulting as well as Psychological Providers, COMPUTER, Ivyland, PA, USASarah KleimanKPG Psychological Providers, 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 Association for Psychedelic Researches (CHARTS), San Jose, CA, USARick Doblin.