Funding for this research was provided by:
National Institute of Arthritis and Musculoskeletal and Skin Diseases (R01AR059142)
National Institute of General Medical Sciences (P20GM104937)
National Natural Science Foundation of China (81572098, 31271033, 81201435, 8160949)
SXNSF (20150313012-6, 201605D211024)
Received: 6 May 2017
Accepted: 14 December 2017
First Online: 29 December 2017
Ethics approval and consent to participate
: This study was approved by the Brown University Institutional Animal Care and Use Committee. No Human subjects or tissues were utilized.
: The authors declare that they have no competing interests.
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