1. Xi'an Jiaotong University Cardiovascular Research Center, Laboratory Animal Center, Xi'an Jiaotong University Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
2. Department of Pathophysiology, School of Basic and Medical Sciences, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China