.A checklist of participants and their affiliations appears in the Supplementary Information.Neuroscape, Department of Neurology, College of The Golden State, San Francisco, San Francisco, CA, USAJennifer M. MitchellDepartment of Psychiatry as well as Behavioral Sciences, Educational Institution of California, San Francisco, San Francisco, CA, USAJennifer M. Mitchellu00c2 & u00c2 Sylvestre QuevedoDepartment of Veterans Affairs, Research Solution, San Francisco VA Medical Facility, San Francisco, CA, USAJennifer M. MitchellAguazul-Bluewater, Inc., Boulder, CARBON MONOXIDE, USAMarcela Otu00e2 $ alora GBoston Educational institution University of Medication, Boston Ma, MA, USABessel truck der KolkWholeness Facility, Fortress Collins, CARBON MONOXIDE, USAScott ShannonDepartment of Psychiatry, New York University Grossman School of Medicine, New York City, NY, USAMichael BogenschutzZen Curative Solutions, Mt. Pleasant, SOUTH CAROLINA, USAYevgeniy GelfandNautilus Sanctuary, New York City, NY, USACasey PaleosDepartment of Family Members Medication and Area Wellness, University of Wisconsin College of Medication and also Public Health, Madison, WI, USAChristopher R. NicholasSan Francisco Insight and also Integration Center, San Francisco, CA, USASylvestre QuevedoNew School Investigation, LLC, Los Angeles, CA, USABrooke BalliettMAPS People Advantage Company, San Jose, CA, USAScott Hamilton, u00c2 Charlotte Harrisonu00c2 & u00c2 Berra Yazar-KlosinskiMedical Educational Institution of South Carolina, Charleston, SC, USAMichael MithoeferKleiman Consulting and also Psychological Services, PC, Ivyland, , USASarah KleimanKPG Psychological Solutions, 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 Researches (CHARTS), San Jose, CA, USARick Doblin.