Funding for this research was provided by:
Science and Technology Commission of Nanjing (201803001)
Medical Science and Technology Development Foundation, Nanjing Department of Health (YKK17167, YKK21119)
Received: 13 October 2021
Accepted: 10 March 2022
First Online: 24 March 2022
: This study was approved by the medical ethical committee of the Second Hospital of Nanjing, Nanjing University of Chinese Medicine. Written informed consent was obtained from all donors in accordance with the Declaration of Helsinki (1964) before tissue sample collection.
: Not applicable
: The authors declare that they have no competing interests.