Funding for this research was provided by:
National Institute of Arthritis and Musculoskeletal and Skin Diseases (R01AR062030)
National Natural Science Foundation of China (81470764)
Article History
Received: 12 June 2018
Accepted: 17 August 2018
First Online: 22 August 2018
Compliance with ethical standards
:
: The authors declares that they have no conflict of interest.