- Address correspondence and reprint requests to Pengpeng Qu, MD, PhD, Department of Gynecological Oncology Tianjin Central Hospital of Obstetrics and Gynecology, 156 3rd Rd, Nankai District, Tianjin 300100, China. E-mail: firstname.lastname@example.org.
- Received March 20, 2017
- First published February 1, 2018.
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