Breedvelt, Josefien J. F. http://orcid.org/0000-0003-1864-1861
Karyotaki, Eirini
Warren, Fiona C.
Brouwer, Marlies E.
Jermann, Françoise
Hollandare, Fredrik http://orcid.org/0000-0001-9500-7763
Klein, Nicola
de Jonge, Margo
Klein, Daniel N.
Farb, Norman
Segal, Zindel
Biesheuvel Leliefeld, Karolien E. M.
Jarrett, Robin
Vittengl, Jeffrey
Thase, Michael
Ma, Helen
Kuyken, Willem
Shallcross, Amanda J.
van Heeringen, Cornelis
Hoorelbeke, Kristof
Koster, Ernst
Williams, Mark
Huijbers, Marloes J.
Speckens, Anne
Cuijpers, Pim
van Oppen, Patricia
Gilbody, Simon
Bockting, Claudi L.
Funding for this research was provided by:
Amsterdam Public Health Institute
Article History
Received: 26 February 2023
Accepted: 3 November 2023
First Online: 8 January 2024
Ethics statement
: Ethical approval was obtained for each of the trials that provided individual patient data. As part of taking part in the original trial, patients provided informed consent that included consent to data sharing for research purposes.
: F.C.W., E. Karyotaki, E. Koster, M.E.B., J.J.F.B., P.C., P.v.O., D.N.K., K.H., N.F., C.v.H. and S.G. have no conflict of interest to report. All authors with the exception of F.C.W. (independent statistician), E. Karyotaki. (systematic reviewer), M.E.B. (systematic reviewer), J.J.F.B. (systematic reviewer), S.G. (systematic reviewer), P.C. (systematic reviewer) and P.v.O. (systematic reviewer) were investigators on one or more of the original randomized clinical trials that contributed data to the individual patient data and secured grant funding for these trials. C.L.B. has presented clinical training workshops, some of which include a fee. C.L.B. receives royalties from her books and co-edited books, and she developed PCT on the basis of the cognitive model of A. T. Beck. M.W. founded the Oxford Mindfulness Centre and was its director until 2013. W.K. is its current director. A.S. is founder and clinical director of the Radboud UMC Centre for Mindfulness and H.M. is director of the Centre for Mindfulness, Hong Kong. M.J.H. is affiliated with the Radboud University-based mindfulness center. M.W. and Z.S. receive royalties for books on mindfulness-based cognitive therapy that they have co-authored. M.W., W.K., A.S., H.M. and Z.S. additionally receive payments for training workshops and presentations related to mindfulness-based cognitive therapy. W.K. donates all such fees to the Oxford Mindfulness Foundation, a charitable trust that supports the work of the Oxford Mindfulness Centre, as does A.S. to the Radboud UMC. Z.S. is a member of the scientific advisory board for Mindful Noggin, which is part of NogginLabs, a private company specializing in customized web-based learning. W.K. was an unpaid director of the Mindfulness Network Community Interest Company until 2015. R.J. is a paid consultant to the NIH, NIMH, and UpToDate. She holds stock equity in Amgen, Procter and Gamble, and Johnson and Johnson. J.V. is a paid reviewer for UpToDate. F.H. licenses a cognitive–behavioral relapse prevention manual for depression to Pear Therapeutics. F.J. receives payments for training workshops and presentations related to mindfulness-based cognitive therapy.