Division of Pulmonary Medicine, Shuang Ho Hospital and Division of Pulmonary Medicine, School of Medicine, College of Medicine, Taipei Medical University, 250 Wuxing street, Taipei 11031, Taiwan
Kazuhiro Ito
Airway Disease, National Heart and Lung Institute, Imperial College London, Dovehouse street, London SW7 6LY, UK
Kittipong Maneechotesuwan
Faculty of Medicine Siriraj Hospital, Mahidol University, Wanglang Street, Bangkok 10700, Thailand
