This author has not been identified. Look up 'Kristofer Bengtsson' in GoogleThis author has not been identified. Look up 'Patrik Bergagard' in GoogleThis author has not been identified. Look up 'Carl Thorstensson' in GoogleThis author has not been identified. Look up 'Bengt Lennartson' in GoogleThis author has not been identified. Look up 'Knut Åkesson' in GoogleThis author has not been identified. Look up 'Chengyin Yuan' in GoogleThis author has not been identified. Look up 'Sajed Miremadi' in GoogleThis author has not been identified. Look up 'Petter Falkman' in Google