Text and Data Mining valid from 2019-04-25
Received: 27 April 2018
Accepted: 24 March 2019
First Online: 25 April 2019
Ethics approval and consent to participate
: Data from a previously conducted Randomized clinical trial (RCT) were used. The Medical Ethics committee Arnhem-Nijmegen, the Netherlands, waived approval (number 2013/229) for this RCT. All subjects gave written informed consent. The declaration of Helsinki was followed.
: Not applicable.
: The authors declare that they have no competing interest.
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