1. Department of Pulmonology and Critical Care, Nelson R Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa
2. GlaxoSmithKline, Uxbridge, UK
3. First Department of Internal Medicine, Showa University, Tokyo, Japan
4. Philippine Heart Centre, Quezon City, Philippines
5. Department of Respiratory Medicine and Allergy, Saint-Petersburg Medical Academy for Postgraduate Studies, St Petersburg, Russia
6. Pontificia Universidade Catolica Do Rio Grande Do Sul, Porto Alegre, Brazil
7. Department of Pediatrics, Shanghai No.1 People's Hospital, Shanghai, China
8. Hospital Angeles Centro Medico del Potosi, San Luis Potosí, México
9. Woolcock Institute of Medical Research, Sydney, New South Wales, Australia
10. Chinese-Japanese Friendship Hospital, Beijing, China
11. Hospital Infantil de las Californias, Tijuana Baja California, Mexico
12. Respiratory Medicine Unit, 'O. Alassia' Children's Hospital, Sante Fe, Argentina
13. Paediatric Allergy and Asthma Unit, Hacettepe University, Ankara
14. Department of Chest Disease, Celal Bayar University, Manisa, Turkey
15. Department of Paediatrics and Child Health, Red Cross War Memorial Children's Hospital, University of Cape Town, Cape Town, South Africa