Funding for this research was provided by:
Dutch Heart Foundation (2010T084)
ZonMw (200500003)
European Union (278901)
European Fund for the Integration of non-EU immigrants (2013EIF013)
Article History
First Online: 11 April 2018
Conflict of interest
: W. Perini, M.B. Snijder, R.J.G. Peters and A.E. Kunst declare that they have no competing interests.