Text and Data Mining valid from 2019-05-08
Received: 22 October 2018
Revised: 29 January 2019
Accepted: 28 March 2019
First Online: 8 May 2019
Compliance with ethical standards
: J. O’Dowd is director of and shareholder in The RealHealth Instute Sint Maartenskliniek (RealHealthNL). M. Monshouwer is trainer at The RealHealth Institute Sint Maartenskliniek. All other authors declare to have no conflicts of interest.