Funding for this research was provided by:
Templeton World Charity Foundation (#TWCF0163/AB106)
Vrije Universiteit Amsterdam (NA)
Universiteit van Amsterdam (NA)
Amsterdam UMC (NA)
Received: 5 April 2019
Accepted: 26 September 2019
First Online: 2 December 2019
Ethics approval and consent to participate
: Our study was ethically approved by the Scientific and Ethical Committee of the Faculty of Behavioural and Movement Sciences, Approval Number: VCWE-2017-017R1.
: Not applicable.
: The authors declare that they have no competing interests.