| Affiliation: | ? Department of Cardiology, University Medical Center, University of Groningen, Groningen, the Netherlands;† Department of Social and Welfare Studies, Linköping University, Linköping, Sweden;‡ Department of Cardiology, Academic Medical Center, Amsterdam, the Netherlands;§ Julius Center for Health Sciences and Primary Care, University Medical Center, Utrecht, the Netherlands;∥ Department of Epidemiology, University Medical Center, Groningen, the Netherlands;¶ Free University Medical Center, Amsterdam, the Netherlands |
