Article History
Received: 16 September 2019
Accepted: 17 April 2020
First Online: 12 May 2020
Change Date: 7 July 2020
Change Type: Correction
Change Details: An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Competing interests
: The authors declare no support from any organisation for the submitted work. AW declares he is director of MCT Institute and provides lectures on MCT and CBT. All other authors declare no other competing financial or non-financial interests. This study was unfunded.