Welling, Wouter
Benjaminse, Anne
Seil, Romain
Lemmink, Koen
Gokeler, Alli
Article History
Received: 22 September 2017
Accepted: 8 March 2018
First Online: 16 March 2018
Compliance with ethical standards
:
: The authors have no conflicts of interest.
: Work has been approved by the ethical committees of the University of Groningen.
: All subjects signed an informed consent form before data collection took place.