1. Pulmonology Institute, Moscow, Russia.
2. Westville Hospital, Durban, South Africa.
3. Institute of Paediatrics and Child Surgery, Taldomskaya, Moscow, Russia.
4. University Hospital Ostrava-Poruba, Ostrava, Czech Republic.
5. Novartis Horsham Research Centre, United Kingdom.
6. Novartis Pharma AG, Basel, Switzerland.
7. University Hospital Alexandroupolis, Greece.