1. De Zorggroep; Kenniscentrum Wondbehandeling Venray, the Netherlands
2. Department of Health Services Research; Maastricht University, CAPHRI; Maastricht the Netherlands
3. Department of Family Medicine; Maastricht University, CAPHRI; Maastricht the Netherlands
4. Department of Medical Microbiology; Maastricht University, CAPHRI; Maastricht the Netherlands