This author has not been identified. Look up 'Weiqiang Liang' in GoogleThis author has not been identified. Look up 'Wenjun Zhang' in GoogleThis author has not been identified. Look up 'Dazhi He' in GoogleThis author has not been identified. Look up 'Yunfeng Guan' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Yao Wang' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Jun Sun' in Google