About the Authors

B. Esther Sportel

Contributed equally to this work with: B. Esther Sportel, Eva de Hullu

b.e.sportel@rug.nl

Current address: Department of Psychotic Disorders, GGZ-Drenthe, Assen, The Netherlands

Affiliations Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands, Department of Clinical Psychology, University of Groningen, Groningen, The Netherlands

Eva de Hullu

Contributed equally to this work with: B. Esther Sportel, Eva de Hullu

Current address: Department of Clinical Psychology, Open University of the Netherlands, Heerlen, The Netherlands

Affiliation Department of Clinical Psychology, University of Groningen, Groningen, The Netherlands

Peter J. de Jong

Affiliation Department of Clinical Psychology, University of Groningen, Groningen, The Netherlands

Maaike H. Nauta

Affiliations Department of Psychiatry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands, Department of Clinical Psychology, University of Groningen, Groningen, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BES EdH PJdJ MHN. Performed the experiments: BES EdH. Analyzed the data: BES EdH PJdJ MHN. Contributed reagents/materials/analysis tools: BES EdH PJdJ MHN. Wrote the paper: BES EdH PJdJ MHN.