- Correspondence to Dr Hunter Groninger, Section of Palliative Care, Department of Medicine, 110 Irving Street NW, Room 2A68, MedStar Washington Hospital Center, Washington DC, 20010, USA;
- Received March 26, 2017
- Revision received April 4, 2017
- Accepted April 5, 2017
- First published April 20, 2017.
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