He, Xiaoli
Liu, Jun
Xiao, Li
Zhao, Mingdong
Su, Tingting
Liu, Tiejian
Han, Guowei
Wang, Yue
Funding for this research was provided by:
Shanghai Municipal Population and Family Planning Commission (2014-403, 201640057)
Article History
Received: 31 May 2019
Accepted: 12 April 2020
First Online: 5 May 2020
Ethics approval and consent to participate
: The retrospective study was approved by the institutional review board of Henan Provincial People’s Hospital and written informed consent was obtained for each patient prior to sample collection. Patients were informed that the resected specimens were stored by the hospital and potentially used for scientific research, and that their privacy would be maintained.
: Not applicable.
: The authors declare that they have no competing interests.