1. Center for Psychedelic Drug Research and Education, College of Social Work, The Ohio State University, Columbus, OH, USA
2. Center for Psychedelic and Consciousness Research, Johns Hopkins University, Baltimore, MD, USA
3. Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA
4. Michael E. DeBakey VA Medical Center, US Department of Veteran Affairs, Houston, TX, USA