Funding for this research was provided by:
H2020 Marie Skłodowska-Curie Actions (675412)
Received: 7 March 2019
Accepted: 4 June 2019
First Online: 21 June 2019
Ethics approval and consent to participate
: The study was approved by the Ethics committee UZA (Commissie voor Medische Ethiek, Universitair Ziekenhuis Antwerpen/Universiteit Antwerpen, OG085, registration number B3002017311728). Written informed consent was obtained from all study participants or, when the participant was not capable of giving consent, by his or her legal representative.
: Not applicable.
: The authors declare that they have no competing interests.