This author has not been identified. It may be one of the following persons: Look up 'Shaohua Wang' in GoogleThis author has not been identified. Look up 'Xiao Kang' in GoogleThis author has not been identified. Look up 'Fasheng Liu' in GoogleThis author has not been identified. Look up 'Xiushan Nie' in GoogleThis author has not been identified. Look up 'Xingbo Liu' in Google