What is asthma - COPD overlap syndrome? Towards a consensus definition from a round table discussion

- Sin, Don D.; Miravitlles, Marc; Wechsler, Michael E.; Mannino, David M.; Soriano, Joan B.; Price, David; Celli, Bartolome R.; Leung, Janice M.; Nakano, Yasutaka; Park, Hye Yun; Wark, Peter A.