Paediatric Fabry disease : prognostic significance of ocular changes for disease severity - Kalkum, Gisela (Department of Paediatrics, Helios-Dr-Horst-Schmidt-Kliniken HSK, Ludwig-Erhard-Strasse 100, 65199 Wiesbaden, Germany) ; Pitz, Susanne (Department of Ophthalmology, University Medical Centre, Johannes Gutenberg University, Mainz, Germany) ; Karabul, Nesrin (Department of Neuropaediatrics and Inborn Metabolic Disorders (Metabolicum Ruhr), University Children's Hospital, Centre for Rare Diseases, Ruhr University Bochum, Bochum, Germany) ; Beck, Michael (Institute of Human Genetics, University Medical Centre, Johannes Gutenberg University, Mainz, Germany) ; Pintos-Morell, Guillem (Institut Germans Trias i Pujol. Hospital Universitari Germans Trias i Pujol) ; Parini, Rossella (Ospedale San Gerardo (Itàlia)) ; Rohrbach, Marianne (Division of Metabolism, University Children's Hospital, Children's Research Centre, Zurich, Switzerland) ; Bizjajeva, Svetlana (Shire, Zug, Switzerland) ; Ramaswami, Uma (Lysosomal Disorders Unit, Royal Free London Hospitals NHS Foundation Trust, London, UK) ; Universitat Autònoma de Barcelona