This author has not been identified. Look up 'Degang Sun' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Yang Yang' in GoogleThis author has not been identified. Look up 'Min Li' in GoogleThis author has not been identified. Look up 'Jian Yang' in GoogleThis author has not been identified. Look up 'Bo Meng' in GoogleThis author has not been identified. Look up 'Ruwen Bai' in GoogleThis author has not been identified. Look up 'Linghan Li' in GoogleThis author has not been identified. Look up 'Junxing Ren' in Google