[1] Univ Vermont, Dept Family Med, Burlington, VT USA
[2] Univ Vermont, Dept Family Med, Vermont Conversat Lab, Burlington, VT USA
[3] Univ Vermont, Larner Coll Med, Burlington, VT USA
[4] Univ Vermont, Dept Emergency Med, Burlington, VT USA
[5] Sunstone Therapies, Rockville, MD USA
[6] Johns Hopkins Univ, Ctr Psychedel & Consciousness Res, Baltimore, MD USA
[7] Univ Vermont, Dept Civil & Environm Engn, Burlington, VT USA
[8] Univ Vermont, Dept Psychiat, Burlington, VT USA
[9] Univ Vermont, Osher Ctr Integrat Hlth, Burlington, VT USA
[10] Univ Vermont, Dept Nursing, Burlington, VT USA
[11] Univ Vermont, Dept Family Med, 235 Rowell Bldg,106 Carrigan Dr, Burlington, VT 05405 USA