This author has not been identified. It may be one of the following persons: Look up 'Hao Chen' in GoogleThis author has not been identified. Look up 'Lin Shi' in GoogleThis author has not been identified. Look up 'Jianhua Sun' in GoogleThis author has not been identified. Look up 'Kenli Li' in GoogleThis author has not been identified. Look up 'Ligang He' in Google