This author has not been identified. Look up 'Shifu Chen' in GoogleThis author has not been identified. Look up 'Tanxiao Huang' in GoogleThis author has not been identified. Look up 'Tiexiang Wen' in GoogleThis author has not been identified. Look up 'Hong Li' in GoogleThis author has not been identified. Look up 'Mingyan Xu' in GoogleThis author has not been identified. Look up 'Jia Gu' in Google