- Correspondence to Dr Takuya Shinjo, Shinjo Clinic, 1-5-1-307 Kitagoyou, Kita-ku, Kobe, Hyogo, 651-1131, Japan;
- Received August 22, 2017
- Revision received October 16, 2017
- Accepted October 18, 2017
- First published November 8, 2017.
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