van der Wees Philip J, Wammes Joost J G, Jeurissen Patrick P T, Westert Gert P
Radboud University Medical Center, Radboud Institute for Health Sciences, Scientific Institute for Quality of Healthcare (IQ Healthcare), Celsus Academy for Sustainable Healthcare, Nijmegen, The Netherlands.
Fam Pract. 2017 Nov 16;34(6):637-638. doi: 10.1093/fampra/cmx079.