University of Dundee, affiliation not provided to SSRN, Hannover Medical School - Department of Respiratory Medicine, Government of the United Kingdom - Royal Brompton Hospital, Lung Foundation Australia, Bronchiectasis and NTM Association, Hospital Universitari Vall d'Hebron of Barcelona - Pneumology Department, Hannover Medical School, University of Dundee, University of Dundee, University of New South Wales, University of Dundee, University of Dundee, Newcastle University - Population Health Sciences Institute, Dr Trueta University Hospita - Bronchiectasis Research Group, Assistance Publique-Hopitaux de Paris (AP-HP) - Assistance Publique-Hôpitaux de Paris, NHS Foundation Trust - Cambridge Centre for Lung Infection, Sotiria General Hospital of Chest Diseases of Athens, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico - Respiratory Unit and Cystic Fibrosis Adult Center, University of Amsterdam - University Medical Center, Carmel Medical Center - Pulmonology Institute and CF Center, AZ Nikolaas - Department of Respiratory Disease, The Calcutta Medical Research Institute, University of Alberta, University of Calgary, IRCCS Humanitas Research Hospital, University of Calgary, University of Queensland - Faculty of Medicine, The University of Sydney - Concord Hospital, University of Connecticut - Center for Bronchiectasis Care Pulmonary, Critical Care and Sleep Medicine and University of Dundee - Division of Molecular and Clinical Medicine