1 Department of Primary and Community Care, Radboud Institute for Health Sciences, Radboud university medical center, Nijmegen, the Netherlands. Electronic address: marleen.lovink@radboudumc.nl.
2 Department of Primary and Community Care, Radboud Institute for Health Sciences, Radboud university medical center, Nijmegen, the Netherlands.
3 Nursing Research, Department of Health Sciences, University Medical Center Groningen, University ofGroningen, Groningen, the Netherlands; Hanze University of Applied Sciences, Groningen, NHL Stenden University of Applied Sciences, Leeuwarden, the Netherlands.
4 Expertise Center for Palliative Care, Department of Public and Occupational Health, Amsterdam Public Health Research Institute, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands; Nivel, Netherlands Institute for Health Services Research, Utrecht, the Netherlands.
5 Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; School of Health Sciences, Faculty of Environmental and Life Sciences, University of Southampton, UK.
6 Department of Nursing Science, University of Applied Sciences (hsg Bochum), Bochum, Germany.
7 Department for Nursing Science, Faculty of Health, University Witten/Herdecke, Witten, North Rhine-Westphalia, Germany; German Center for neurodegenerative diseases, Witten, North Rhine-Westphalia, Germany.
8 Department of Health Services Research, Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, the Netherlands.