1. Department of Public Health and Primary Care KU Leuven Leuven Belgium
2. Department of Experimental Clinical and Health Psychology UGent Ghent Belgium
3. National Alliance of Christian Sickness Funds Brussels Belgium
4. Department of Public Health and Primary Care UGent Ghent Belgium
5. Department of Work and Organisation Studies KU Leuven Brussels Belgium
6. Optentia North West University Vanderbijlpark South Africa