Text and Data Mining valid from 2019-08-01
Received: 28 April 2019
Accepted: 17 July 2019
First Online: 20 August 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: Ethical approval has been obtained from our institution and clinical and effectiveness department and the study was conducted according to 1964 Helsinki good clinical practice guidelines.
: Informed consent was obtained from all participants.