Text and Data Mining valid from 2019-02-26
Received: 18 October 2018
Accepted: 7 February 2019
First Online: 26 February 2019
Ethics approval and consent to participate
: This study was approved by Hamchoon Women’s Clinic IRB(79507–201,809-BR-002).
: Not applicable.
: Authors declare that they have no competing interest.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.