Text and Data Mining valid from 2019-02-08
Received: 19 October 2018
Accepted: 4 February 2019
First Online: 8 February 2019
Ethics approval and consent to participate
: The study was performed following the guidelines of the declaration of Helsinki and the code of conduct for scientific research of our institute. The local ethics committee waved the need for approval (HAN University of Applied Sciences Faculty of Health, Behaviour and Society Ethical Advisory Board; EACO 71.05/17). Students provided informed consent.
: Not Applicable.
: The authors declare that they have no competing interests.
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