- Correspondence to Dr Sonya S Lowe, Department of Symptom Control and Palliative Care, Cross Cancer Institute, Room 2001, 11560 University Avenue NW, Edmonton, Alberta, Canada T6G 1Z2;
- Received July 27, 2015
- Revision received December 20, 2015
- Accepted January 18, 2016
- First published February 4, 2016.
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