Participating networks/centres and number of patients
| Continent | Network/centre | No. of patients |
|---|---|---|
| Europe | The National Paediatric Pulmonary Hypertension Service UK Great Ormond Street Hospital for Children, London, UK | 9 |
| French Pediatric Pulmonary Hypertension Registry Necker Hospital for Sick Children, Paris, France | 5 | |
| The Dutch National Referral Center for Pulmonary Hypertension in Childhood Beatrix Children's Hospital, University Medical Center Groningen, The Netherlands The Spanish Registry for Pediatric Pulmonary Hypertension | 3 | |
| University Hospital Ramon y Cajal, Madrid, Spain | 1 | |
| University Hospital Doce de Octubre, Madrid, Spain | 2 | |
| University Hospital Virgen del Rocio, Seville, Spain | 1 | |
| University Hospital Vall d'Hebrón, Barcelona, Spain | 2 | |
| USA | Children's Hospital Colorado, Aurora, Colorado | 2 |