Funding for this research was provided by:
China-Japan Friendship Hospital Youth Science and Technology Excellence Project (2015-QNYC-B-06)
Received: 28 August 2018
Revised: 13 December 2018
Accepted: 6 January 2019
First Online: 22 January 2019
Ethics approval and consent to participate
: The present study including the use of clinical materials and animals was approved by the Clinical Research Ethics Committee of China-Japan Friendship Hospital (No. 2015-45). Experiments were conducted according to the principles of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.
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