This author has not been identified. Look up 'Per Lindgren' in GoogleThis author has not been identified. Look up 'Emil Fresk' in GoogleThis author has not been identified. Look up 'Marcus Lindner' in GoogleThis author has not been identified. Look up 'Andreas Lindner' in GoogleThis author has not been identified. Look up 'David Pereira' in GoogleThis author has not been identified. Look up 'Luís Miguel Pinho' in Google