Text and Data Mining valid from 2019-04-22
Received: 14 September 2018
Accepted: 9 April 2019
First Online: 22 April 2019
Ethics approval and consent to participate
: Research Ethics Board approval was obtained to conduct this randomized, controlled, clinical pilot study (CER-VD No 273/13).
: Not applicable.
: The authors declare they have no competing interests.
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