Acknowledgements
H.Y. acknowledges the financial support by grants from the National Natural Science Foundation of China (31170809, 31470831, and 91439103), the National Key Basic Research Program of China (973 Program, #2012CB524905), the Ministry of Science and Technology of China (2012BAK01B00), and the Hundred Talents Program from CAS (2012OHTP07). H.Y. is an Associate Fellow at the Collaborative Innovation Center for Cardiovascular Disease Translational Medicine at Nanjing Medical University.
Declaration of interest
The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.