Evaluating Long-term Safety of Efgartigimod Administered Intravenously and Efgartigimod PH20 Administered Subcutaneously in Children With Generalized Myasthenia Gravis

Ann and Robert H Lurie Children's Hospital of Chicago - Main Hospital, Chicago, Illinois, United States

Atrium Health Neurology Specialty Care, Charlotte, North Carolina, United States

University of Virginia (UVA) Health - Developmental Pediatrics Clinic, Charlottesville, Virginia, United States

Universitair Ziekenhuis Antwerpen, Edegem, Belgium

UZ Gent, Ghent, Belgium

Childrens Hospital of Eastern Ontario, Ottawa, Canada

AP-HM- Hôpital de La Timone, Marseille, France

Universitätsklinikum Essen, Essen, Germany

Hadassah Medical Center- Ein Kerem, Jerusalem, Israel

Leids Universitair Medisch Centrum, Leiden, Netherlands

Uniwersyteckie Centrum Kliniczne w Gdansku, Gdansk, Poland

Wielospecjalistyczna Poradnia Lekarska Synapsis, Katowice, Poland

Centralny Szpital Kliniczny - Uniwersyteckie Centrum Kliniczne WUM, Warsaw, Poland

Hospital Universitari i Politecnic La Fe de Valencia, Valencia, Spain

Great Ormand Street Hospital for Children NHS Foundation Trust - Great Ormond Street Hospital - Pediatric Neurology, London, United Kingdom

Oxford University Hospitals NHS Foundation Trust - John Radcliffe Hospital Children's Hospital, Oxford, United Kingdom