1Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment and School of Medicine, Southern University of Science and Technology, 1088 Xue Yuan Road, Shenzhen, Guangdong 518055, China
2Departments of Orthopaedic Surgery, Medicine, and Cell and Developmental Biology, University of Michigan School of Medicine, Ann Arbor, MI 48109, USA