Fengqin Wei1, Weiyu Chen2, Xiaoti Lin3. 1. Department of Emergency, Fujian Provincial 2nd People's Hospital, Affiliated Hospital of Fujian University of Traditional Chinese Medicine, Fuzhou, China. 2. Department of Physiology, Zhongshan Medical School, Sun Yat-sen University, Guangzhou, China. 3. Department of Breast, Fujian Provincial Maternity and Children's Hospital of Fujian Medical University, Fuzhou, China.