1 Professor of Paediatrics and Head of Section (Paediatrics), Imperial College London, London, United Kingdom.
2 Professor of Paediatric Respirology, National Heart and Lung Institute, London, United Kingdom.
3 Consultant Paediatric Chest Physician, Royal Brompton Harefield NHS Foundation Trust, London, United Kingdom.
4 Pediatric Pulmonology and Respiratory Intermediate Care Unit, Sleep and Long-Term Ventilation Unit, Academic Department of Pediatrics, Bambino Gesù Children's Hospital, Rome, Italy.
5 Professor of Paediatrics and Head of Paediatric Section AOUI Verona, University of Verona, Verona, Italy.
6 Department of Translational Medical Sciences, Pediatric Pulmonology, Federico II University, Naples, Italy.