1. Department of Pharmacology; School of Basic Medical Sciences; Xi'an Jiaotong University Health Science Center; 76 Yanta West Road Xi'an 710061 China
2. Shaanxi Blood Center; 704 Zhuque Road Xi'an 710061 China
3. Clinical laboratory; Shaanxi Provincial People's Hospital; 256 Youxi West Road Xi'an 710068 China