1. Department of Primary and Community Care, Gender & Women’s Health, Radboud University Medical Center, Nijmegen, the Netherlands;
2. Närhälsan Hjo Vårdcentral Hjo, Sweden;
3. Faculty Social Sciences, Section Methods and Techniques, Radboud University Nijmegen, Nijmegen, the Netherlands;
4. Scientific Institute for Quality of Healthcare, Radboud University Medical Center, Nijmegen, the Netherlands