Author information:
(1)Institute for Regenerative Medicine, Shanghai East Hospital, Frontier Science 
Center for Stem Cell Research, Shanghai Key Laboratory of Signaling and Disease 
Research, School of Life Sciences and Technology, Tongji University, Shanghai 
200092, China.
(2)Institute for Regenerative Medicine, Shanghai East Hospital, Frontier Science 
Center for Stem Cell Research, Shanghai Key Laboratory of Signaling and Disease 
Research, School of Life Sciences and Technology, Tongji University, Shanghai 
200092, China; Department of Cardiology, Shanghai Tenth People's Hospital, 
Tongji University School of Medicine, 1239 Siping Road, Shanghai 200072, China.
(3)Department of Pediatrics and Children's Research Institute, University of 
Texas Southwestern Medical Center, Dallas, TX 75390, USA.
(4)Department of Implantology, School and Hospital of Stomatology, Tongji 
University, Shanghai Engineering Research Center of Tooth Restoration and 
Regeneration, Shanghai 200072, China.
(5)Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical 
University, Xi'an 710032, China.
(6)Department of Orthopedics, Shanghai Key Laboratory of Orthopedic Implant, 
Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of 
Medicine, Shanghai 200011, China.
(7)Howard Hughes Medical Institute, University of Texas Southwestern Medical 
Center, Dallas, TX 75390, USA; Department of Pediatrics and Children's Research 
Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, 
USA.
(8)Institute for Regenerative Medicine, Shanghai East Hospital, Frontier Science 
Center for Stem Cell Research, Shanghai Key Laboratory of Signaling and Disease 
Research, School of Life Sciences and Technology, Tongji University, Shanghai 
200092, China. Electronic address: ryue@tongji.edu.cn.