1 Clinical Head: Cystic Fibrosis Clinic Red Cross War Memorial Children's Hospital, National Director South African CF Registry Steering Committee, Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa. Electronic address: m.zampoli@uct.ac.za.
2 Laboratory of Genetic Epidemiology Research Centre for Medical Genetics, Moscow Regional Research and Clinical Institute, President of All-Russian Association For Patients With Cystic Fibrosis, Moscow, Russian Federation.
3 Division of Pediatric Pulmonology, Marmara University, Istanbul, Turkey.
4 Pediatric Pulmonology Unit, Instituto da Criança HCFMUSP, Sao Paulo, Brazil.
5 Division of Pulmonary and Sleep Medicine, Nationwide Children's Hospital, The Ohio State University, Columbus, OH, United States of America.
6 Middle East Cystic Fibrosis Association CEO of (MECFA), United States of America.