Funding for this research was provided by:
foundation Care Within Reach
Received: 10 August 2016
Accepted: 29 March 2018
First Online: 10 April 2018
Ethics approval and consent to participate
: This study was approved by the Medical Ethical Review Committee of Isala, Zwolle, the Netherlands. All patients gave written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.