About the Authors

Anke Friedrichs

an.friedrichs@uke.de

Affiliation Department of Medical Psychology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany

Maren Spies

Affiliation Department of Medical Psychology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany

Martin Härter

Affiliation Department of Medical Psychology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany

Angela Buchholz

Affiliation Department of Medical Psychology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany

Competing Interests

The authors do not have any connection with tobacco, alcohol, pharmaceutical or gaming industry that might be related to the current research, research contracts, consultancy, employment or stocks. There are no existing contractual constraints on publishing with regard to the research being reported. All authors declare that they have no conflict of interest.

Author Contributions

Conceived and designed the experiments: AF AB MH. Performed the experiments: AF MS. Analyzed the data: AF. Wrote the paper: AF MS AB MH.