“Am I a candidate for magic mushrooms?” A mystery shopper study of Oregon psilocybin service centers - Danielle R Adams; Morgan Hartman; Lisa Gong; Suraj Shankar; Ruth Ling; Jacob T Steinle; Joshua S Siegel; Ginger E Nicol; Richard A Grucza; Jacob T Borodovsky; Leopoldo J Cabassa; Kevin Y Xu (Health Affairs Scholar, 2026)