Funding for this research was provided by:
National Natural Science Foundation of China (81470676 and 81271061)
Nurture Fund of The First Affiliated Hospital of Chongqing Medical University (2018PYJJ-01)
Received: 20 August 2018
Accepted: 22 January 2019
First Online: 4 February 2019
Ethics approval and consent to participate
: All procedures followed were in accordance with the ethical standards of the responsible committee on animal experimentation and with the Helsinki Declaration of 1975 and later versions. All animal husbandry and experiments were performed under a protocol approved by Institutional Animal Care Committee at Chongqing Medical University.
: Not applicable.
: The authors declare that they have no competing interests.
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