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Article History

Received: 17 May 2018

Accepted: 4 October 2018

First Online: 13 October 2018

Ethics approval and consent to participate

: The study was approved by the Regional Ethical Committee in Gothenburg in November 2016 (dnr. 723–16). All participants will provide written informed consent prior to participation. Data is stored on an internal server and only the project leader and physiotherapist affiliated with the study has access to it. All athletes are given a coded ID (identification) number at first screening and all personal data (e.g. name, social security number) is removed from all digital files in line with the General Data Protection Regulation (GDPR).

: Not applicable.

: The authors declare that they have no competing interests.The project was funded by Gothenburg Athletics Federation; the study protocol has not undergone peer review by the funding body.

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