Funding for this research was provided by:
Natural Science Foundation of Hunan Province (2019JJ50328)
Health and Family Planning Commission of Hunan Province (C20180721)
Health Commission of Hunan Province (B2019061)
Innovation Project of Science and Technology Department of Hunan Province (2017SK50518)
Received: 14 December 2019
Accepted: 13 April 2020
First Online: 25 April 2020
Ethics approval and consent to participate
: GC and NC tissues were collected with written informed consent in accordance with the Declaration of Helsinki and with the approval of the Ethics Committee of Hunan Provincial People’s Hospital (No. 046–2017, date: 2017/12/30, Hunan, China).
: Not applicable.
: The authors declare that they have no competing interests.