1. Department of Respiratory Medicine; Juntendo University; Tokyo
2. Healthlink Medical-Surgical-Dental Clinics and Diagnostic Center; Iloilo City; Philippines
3. Institute of Epidemiology and Microbiology; Kazan; Russian Federation
4. Department of Respiratory Medicine and Allergy; Tosei General Hospital; Aichi
5. AstraZeneca R&D; Molndal; Sweden
6. Department of Respiratory Medicine; Tohoku University Graduate School of Medicine; Miyagi; Japan