1. Transplantation and Immunobiology Group, Institute of Cellular Medicine, Newcastle University and The Freeman Hospital, Newcastle-upon-Tyne, UK,
2. Dipartimento di Chimica Organica e Biochimica, Università di Napoli Federico , Napoli, Italy
3. Cystic Fibrosis Group, Centre for Infectious Diseases, Royal Infirmary of Edinburgh, Edinburgh, UK