aDepartment of Nursing, Taipei Veterans General Hospital, Taipei, Taiwan, ROC

bDepartment of Obstetrics and Gynecology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC

cDepartment of Obstetrics and Gynecology, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC

dInstitute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC

Received July 13, 2022; accepted July 15, 2022.

Conflicts of interest: The authors declare that they have no conflicts of interest related to the subject matter or materials discussed in this article.

*Address correspondence. Dr. Chia-Hao Liu, Department of Obstetrics and Gynecology, Taipei Veterans General Hospital, 201, Section 2, Shi-Pai Road, Taipei 112, Taiwan, ROC. E-mail addresses: [email protected]; [email protected] (C.-H. Liu).

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)