Funding for this research was provided by:
National Health Research Institutes (EO-105-PP06 and EO-106-PP06)
Text and Data Mining valid from 2019-02-18
Received: 28 August 2018
Accepted: 15 January 2019
First Online: 18 February 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.