Published on in Vol 18 , No 7 (2016) :July

1 NIVEL Netherlands institute for health services research , Utrecht , NL
2 Radboud University Medical Center , Dept of Primary and Community Care , Nijmegen , NL
3 Hematon , Amersfoort , NL
4 VU University Medical Center , Dept of Haematology , Amsterdam , NL
5 University College of Southeast Norway, Drammen, Norway , Faculty of Health Sciences , Drammen , NO
6 NIVEL Netherlands institute for health services research , utrecht , NL