- Correspondence to Dr Hiroyuki Otani, Department of Palliative Care Team, and Palliative and Supportive Care, National Kyushu Cancer Center, 3-1-1 Notame, Minami-ku, Fukuoka 811-1395, Japan;
- Received October 27, 2014
- Revision received December 19, 2015
- Accepted January 10, 2016
- First published February 4, 2016.
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