1. Department of Physiology II; Kanazawa Medical University; Uchinada Ishikawa 920-0293 Japan
2. Department of Colorectal and Hernia Surgery; The Fourth Affiliated Hospital of China Medical University; Shenyang 110032 China
3. Department of Hematology; The Fourth Affiliated Hospital of China Medical University; Shenyang 110032 China
4. Department of Anesthesiology; China-Japan Friendship Hospital; Beijing 100029 China
5. Department of Infectious Disease; The Sheng Jing Hospital of China Medical University; Shenyang 110009 China