Text and Data Mining valid from 2019-11-20
Received: 3 June 2019
Accepted: 4 September 2019
First Online: 20 November 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board and the Ethics Committee of the Osaka University Hospital (approval #15240, approved on September 10, 2015).
: Written informed consent was obtained from the patient for publication of this case report and any accompanying images. A copy of the written consent is available for review by the Editor of this journal.
: Shinya Matsuzaki is an Associate Editor for BMC Pregnancy and Childbirth. The authors declare no conflicts of interest about this study. All of authors have no competing financial interests regarding this study.