Guo-Hua Qiu Xiaojin Xie Linhong Deng Shing Chuan Hooi

guo-hua qiu institute of biomedical engineering and health sciences, changzhou university, changzhou, pr china; department of physiology, faculty of medicine, national university of singapore, singapore, republic of singapore; institute of biomedical engineering and health sciences, changzhou university, changzhou, jiangsu 213164, pr china. tel/fax: +86-59786330103, e-mail:; shing chuan hooi, department of physiology, faculty of medicine, national university of singapore, singapore, republic of singapore. tel: +65-65163222, fax: +65-67788161 xiaojin xie department of physiology, faculty of medicine, national university of singapore, singapore, republic of singapore linhong deng institute of biomedical engineering and health sciences, changzhou university, changzhou, pr china shing chuan hooi department of physiology, faculty of medicine, national university of singapore, singapore, republic of singapore; institute of biomedical engineering and health sciences, changzhou university, changzhou, jiangsu 213164, pr china. tel/fax: +86-59786330103, e-mail:; shing chuan hooi, department of physiology, faculty of medicine, national university of singapore, singapore, republic of singapore. tel: +65-65163222, fax: +65-67788161