1. Faculty of Medicine, Health & Life Sciences, Queen’s University Belfast, Belfast, BT9 7BL, UK
2. Departments of Medicine & Pediatrics, Medical University of South Carolina, Charleston, SC 29425, USA
3. Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
4. Global Medical Affairs, Chiesi Farmaceutici S.p.A., Parma, 43122, Italy