- Correspondence to Eva Elizabeth Bolt, Department of Public and Occupational Health, EMGO Institute for Health and Care Research, VUmc Expertise Center for Palliative Care, VU University Medical Center, Van der Boechorstraat 7, 1081 BT Amsterdam, The Netherlands;
- Received March 27, 2014
- Revised September 4, 2014
- Accepted January 8, 2015
- First published February 18, 2015.
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