1. Institute of Targeted Drugs, Western China Science and Technology Innovation Harbour, Xi'an Jiaotong University, Xi'an, China
2. Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, China
3. Xianyang Central Hospital, Xianyang, China
4. Laboratory of Bio-separation Technologies, Biochemistry and Biophysics Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA