Breeksema, Joost J. http://orcid.org/0000-0002-8787-4610
Niemeijer, Alistair
Krediet, Erwin
Karsten, Tilman
Kamphuis, Jeanine
Vermetten, Eric http://orcid.org/0000-0003-0579-4404
van den Brink, Wim
Schoevers, Robert http://orcid.org/0000-0003-0760-9866
Article History
Received: 24 August 2023
Accepted: 28 January 2024
First Online: 5 February 2024
Competing interests
: RS was a co-investigator on the clinical trial on psilocybin funded by Compass Pathways. He has also received an educational grant from Janssen, Pharmaceutical Companies of Johnson and Johnson, and a honorarium from Clexio Biosciences. EV is the principal investigator of a clinical trial on MDMA funded by the Multidisciplinary Association for Psychedelic Studies. WvdB has been a consultant for Janssen Netherlands and is a member of the Scientific Advisory Board of Clearmind. JJB, AN, EK, and TK declare no conflicts of interest.