This author has not been identified. It may be one of the following persons: Look up 'João F. Ferreira' in GoogleThis author has not been identified. Look up 'Cristian Gherghina' in GoogleThis author has not been identified. Look up 'Guanhua He' in GoogleThis author has not been identified. Look up 'Shengchao Qin' in GoogleThis author has not been identified. Look up 'Wei-Ngan Chin' in Google