[1] Radboud University Nijmegen Medical Centre,Centre for Quality of Care Research (229)
[2] Radboud University Nijmegen Medical Centre,Vocational Training General Practitioners (229)
[3] University Hospital Maastricht,Department of Social Medicine, Institute for Research in Extramural Medicine
[4] VU University Medical Centre Amsterdam,Julius Centre for General Practice and Patient Oriented Research
[5] University Medical Centre Utrecht,Department of Medical Oncology
[6] Erasmus MC-Daniel den Hoed Cancer Centre,Pain Centre (520)
[7] Radboud University Nijmegen Medical Centre,undefined