1. Department of Allergy and Rheumatology, Nippon Medical School, Graduate School of Medicine, Tokyo, Japan
2. Department of Respiratory Medicine, Kanagawa Cardiovascular and Respiratory Center, Kanagawa, Japan
3. Osaka Medical College Mishima Minami Hospital, Osaka, Japan
4. Department of Advanced and Integrated Interstitial Lung Diseases Research, Toho University, Tokyo, Japan
5. Department of Respiratory Medicine and Allergy, Tosei General Hospital, Aichi, Japan
6. Nippon Boehringer Ingelheim Co. Ltd, Tokyo, Japan
7. Boehringer Ingelheim (Schweiz) GmbH, Basel, Switzerland
8. Department of Dermatology, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
9. Department of Pulmonary, Infection and Oncology, Nippon Medical School, Graduate School of Medicine, Tokyo, Japan