There was a minor typographical error in the ordering of the first institutional affiliation entry in the originally published version of this article.
Original affiliation:
1Department of Gynecology, Fujian Provincial Hospital, Fuzhou University Affiliated Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China.
Corrected affiliation:
1Department of Gynecology, Shengli Clinical Medical College of Fujian Medical University, Fuzhou University Affiliated Provincial Hospital, Fujian Provincial Hospital, Fuzhou, China.
No other text, data, figures, tables or conclusions of the article have been altered. The authors sincerely apologize for this inadvertent mistake.
The authors would like to thank the editorial office for granting us the opportunity to publish this erratum.