Graham L. Hall Paediatric Respiratory Physiology , Telethon Institute for Child Health Research, Perth, Australia. grahamh@ichr.uwa.edu.au Jürg Hammer Paediatric Intensive Care and Pulmonology, University-Children’s Hospital Basel, Basel, Germany. juerg.hammer@unibas.ch Carol-Claudius Hasler Paediatric Orthopaedics, University Children’s Hospital UKBB, Basel, Switzerland. carolclaudius.hasler@ukbb.ch Elpis Hatziagorou Peadiatric Respiratory Unit, 3rd Paediatric Dept, Aristotle University of Thessaloniki, Hippokration Hospital, Thessaloniki, Greece. elpcon@otenet.gr Gunilla Hedlin Astrid Lindgren Children’s Hospital, Department of Women’s and Children’s Health and Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden. Gunilla.Hedlin@ki.se Armin Irnstetter Pneumology Dept, University of Munich, Dr. von Haunersches Kinderspital, Munich, Germany. armin.irnstetter@med.uni- muenchen.de xviii Hettie M. Janssens Department of Paediatric Respiratory Medicine, Erasmus Medical Center, Sophia Children’s Hospital, Rotterdam, The Netherlands. H.Janssens@erasmusmc.nl Andreas Jung Children`s University Hospital Zurich, Division of Respiratory Medicine, Zurich, Switzerland. andreas.jung@kipsi.uzh.ch Beate Kampmann Vaccinology Theme, Medical Research Council (MRC) Unit, The Gambia, Africa. bkampmann@mrc.gm Ahmad Kantar Department of Paediatrics, Institutes of Bergamo Hospitals, Bergamo, Italy. kantar@tin.it Sonia Khirani A.A.O. Ospedali Riuniti di Bergamo, U.S.C. Pneumologia, Bergamo, Italy. sonia_khirani@yahoo.fr Sailesh Kotecha Department of Child Health, School of Medicine, Cardiff University, University Hospital of Wales, Cardiff, UK. kotechas@cardiff.ac.uk Carolin Kröner Pediatrics Dept, University of Munich, Munich, Germany. Carolin.Kroener@med.uni- muenchen.de