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Article History

Received: 30 October 2018

Accepted: 30 April 2019

First Online: 17 May 2019

Ethics approval and consent to participate

: The Ethics Committee of the Hamburg Medical Chamber has approved this study on the 9th of March 2018 (process number: PV5750). Before beginning the telephone interview, participants provide oral consent to participate, after having been informed that participation in the study is voluntary and that withdrawal from the study is possible at any time. Protagonists of the videos and digital postcards (lived experience team) give written informed consent to participate. Participants in the online intervention provide consent by checking an online tick box. All participants are informed (either verbally or in written form) about the voluntariness of their participation, about data protection and about their ability to terminate their participation in the telephone interview, the online intervention, or their involvement in the development of the intervention at any time. When requested by a participant, data will be erased.

: All participants, including the lived experience team, give informed consent for publication of the results in anonymous form.

: MD, JL, MH, OK, JB, TB, JD, SL, AK and SB declare that they have no competing interests.

: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.