When this article was originally published, two of Elena Petelos’ affiliations were inadvertently missed:
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• HSR, CAPHRI Care and Public Health Research Institute, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands.
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• Clinic of Social and Family Medicine, School of Medicine, University of Crete, Heraklion, Crete, Greece.
The authors apologise for this error. The original article has now been updated.