This author has not been identified. Look up 'Manuel Bravo' in GoogleThis author has not been identified. Look up 'Nuno Diegues' in GoogleThis author has not been identified. Look up 'Jingna Zeng' in GoogleThis author has not been identified. It may be one of the following persons: Look up 'Paolo Romano' in GoogleThis author has not been identified. Look up 'Luís Rodrigues' in Google