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Article History

Received: 16 July 2018

Accepted: 11 March 2019

First Online: 15 April 2019

Ethics approval and consent to participate

: All participants agreed to and signed informed consent forms (available if requested). The project follows the Swedish Research Council’s guidelines for anonymity and data security. This means that the names of teachers and students will be anonymized in publications. All material will be saved for 10 years and then destroyed in accordance with current research ethical guidelines. Swedish universities do not have local review boards, and projects that deal with sensitive information about people (in Sweden this entails research about religion, sexuality, political opinions, and union membership) are sent to one of six regional ethics review boards (). However, since this project does not deal with sensitive information, it did not need to be sent to the regional ethics review board, as per Swedish Research Council guidelines.

: Not applicable.

: The authors declare that they have no competing interests.

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