Text and Data Mining valid from 2019-04-23
Received: 19 November 2018
Accepted: 3 April 2019
First Online: 23 April 2019
Ethics approval and consent to participate
: All procedures performed in the study were in accordance with the Swedish law, the ethical standards of the Swedish institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The participants consented to participate in the study via an email.
: Not applicable.
: The authors declare that they have no competing interests.
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