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Article History

Received: 9 February 2019

Accepted: 9 May 2019

First Online: 21 May 2019

Ethics approval and consent to participate

: Use of human ovarian tissues from three cancer patients for this study was approved by the Ethics Committee of the Capital Medical University, China. The Ethics Committee agreed that slices of the patients’ tissues can be used for patient-related research studies. The Ethics Committee confirmed that for testing the biological quality of tissue, in vivo experiments, i.e. animal experiments, are needed.All procedures performed in studies involving human participants (in our study getting the tissue from three cancer patients) were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.All procedures performed in studies involving animals were in accordance with the guidelines approved by the Animal Experiments and Experimental Animal Welfare Committee of Capital Medical University, China (AEEI-2015-017). These guidelines comply with the ARRIVE guidelines, in accordance with the National Institute of Health guide for the care and use of laboratory animals (NIH Publications No.8023, 1978).

: Not applicable

: The authors declare that they have no competing interests.

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