Erratum to: Arch Gynecol Obstet DOI 10.1007/s00404-014-3403-5

By error, the third author’s first name (Se Ra) was published with an incorrect spelling in the official publication. The correct first name and the updated author group are given below:

Ji Won Kim · Sang Woo Lyu · Se Ra Sung · Ji Eun Park · Dong Hyun Cha · Tae Ki Yoon · Jung Jae Ko · Sung Han Shim