About the Authors

Marcella L. Woud

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Software, Writing – original draft, Writing – review & editing

marcella.woud@rub.de

Affiliation Mental Health Research and Treatment Center, Department of Psychology, Ruhr-Universität Bochum, Bochum, Germany

Jan C. Cwik

Roles Conceptualization, Methodology, Writing – review & editing

Affiliation Clinical Psychology and Psychotherapy, University of Cologne, Cologne, Germany

Simon E. Blackwell

Roles Conceptualization, Formal analysis, Methodology, Writing – review & editing

Affiliation Mental Health Research and Treatment Center, Department of Psychology, Ruhr-Universität Bochum, Bochum, Germany

Birgit Kleim

Roles Conceptualization, Methodology, Writing – review & editing

Affiliation University Hospital of Psychiatry Zürich, Department of Psychiatry, Psychotherapy and Psychosomatics, Zürich, Switzerland

Emily A. Holmes

Roles Conceptualization, Writing – review & editing

Affiliation Department for Clinical Neuroscience, Karolinska Institutet, Huddinge, Stockholm, Sweden

Dirk Adolph

Roles Conceptualization, Methodology, Supervision, Writing – review & editing

Affiliation Mental Health Research and Treatment Center, Department of Psychology, Ruhr-Universität Bochum, Bochum, Germany

Hui Zhang

Roles Methodology, Supervision, Writing – review & editing

Affiliation Department of Neuropsychology, Institute of Cognitive Neuroscience, Faculty of Psychology, Ruhr-Universität Bochum, Bochum, Germany

Jürgen Margraf

Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing

Affiliation Mental Health Research and Treatment Center, Department of Psychology, Ruhr-Universität Bochum, Bochum, Germany

Competing Interests

The authors MLW, JCC, SEB, BK, DA, HZ, and JM have declared that no competing interests exist. Author EAH declares the following: EAH is Associate Editor for Behaviour Research and Therapy and receives an honorarium; she is on the editorial boards of Cognitive Behaviour Therapy and Psychological Science and receives no remuneration. EAH is on the Board of Trustees of the Charity “MQ; transforming mental health” and receives no remuneration for this role. EAH is a member of Clare Hall, Cambridge University and receives a food allowance. EAH has a co-authored book on Imagery in Cognitive Therapy (OUP, 2011), that receives royalties. EAH presents at clinical training workshops on mental imagery and CBT some of which include a fee. EAH is an Honorary Professor of Clinical Psychology at the University of Oxford, Department of Psychiatry and a Visiting Scientist at the MRC Cognition and Brain Sciences Unit, Cambridge UK until 2018 and receives no remuneration for this Roles. This does not alter our adherence to PLOS ONE policies on sharing data and materials.