Most of them guide trials that entail magic mushrooms. Take into account wanting into that by calling biology / neuroscience / psychology departments at different universities.  Magic mushrooms are illegal for sale in Guam, as the territory follows US Federal Regulation for the most part. Spores are legal in Guam, https://socialinplace.com/story4639770/helping-the-others-realize-the-advantages-of-psilocybin-chocolate-bars-nyc