Funding for this research was provided by:
Tianjin medical university second hospital youth fund (2018ydey04)
Text and Data Mining valid from 2019-11-29
Received: 3 January 2019
Accepted: 14 November 2019
First Online: 29 November 2019
Ethics approval and consent to participate
: All applicable international, national, and/or institutional guidelines for the care and use of human specimens and animals were followed. The animal study was carried out in accordance with the guidelines approved by the animal experimentation ethics committee of the second hospital of Tianjin medical university. The protocol was approved by the committee, all surgery was performed under sodium pentobarbital anesthesia, and all efforts were made to minimize suffering.
: All of the authors have agreed to publish this article in your journal if it is accepted.
: The authors declare that they have no competing interests.