- Correspondence to Dr Tomohiro Morita, Soma Central Hospital, 3-5-18, Okinouchi, Soma City, Fukushima, 976-0016, Japan;
- Received 14 November 2016
- Revised 7 August 2017
- Accepted 8 August 2017
- Published in print 1 October 2017.
- Published online 7 September 2017.
- Published first 22 August 2017.
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