Funding for this research was provided by:
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (406-15-031)
Received: 19 July 2020
Accepted: 17 October 2020
First Online: 28 October 2020
Ethics approval and consent to participate
: This study was approved by the medical ethics review committee of Maastricht University Medical Center (approval number: METC163050). The study was conducted according to the principles of the World Medical Association (WMA) Declaration of Helsinki (64th WMA General Assembly, Fortaleza, Brazil, October 2013). All participants provided written informed consent beforehand regarding participation.
: All participants provided written informed consent beforehand regarding publication of the data.
: The authors declare that they have no competing interests.