- Correspondence to Dr Yoon Jae Lee, Department of Korean Gynecology, Jaseng Hospital of Korean Medicine, 858 Eonju-ro, Gangnam-gu, Seoul 06017, Republic of Korea;
- Accepted 20 December 2016
- Published in print 1 June 2017.
- Published online 8 June 2017.
- Published first 11 January 2017.
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