1 Care and Public Health Research Institute (CAPHRI), Department of Family Medicine, Maastricht University, Peter Debyeplein 1, 6229 HA, Maastricht, Limburg, The Netherlands. nicole.vangurp@maastrichtuniversity.nl.
2 Care and Public Health Research Institute (CAPHRI), Department of Family Medicine, Maastricht University, Peter Debyeplein 1, 6229 HA, Maastricht, Limburg, The Netherlands.
3 Department of Cardiology, Admiraal de Ruyter Ziekenhuis, s-Gravenpolderseweg 114, 4462 RA, Goes, Zeeland, The Netherlands.