1 Hôpital Universitaire Necker-Enfants Malades, Department of Pediatric orthopedic surgery, Cité Paris University, Paris 75015, France; Department of Global Health and Social Medicine, Harvard Medical School, Boston MA, USA; Faculty of Medicine, Université Libre de Bruxelles, Brussels, Belgium. Electronic address: manon.pigeolet@outlook.com.
2 Hôpital Universitaire Necker-Enfants Malades, Department of Pediatric orthopedic surgery, Cité Paris University, Paris 75015, France; Faculty of Medicine, Université Libre de Bruxelles, Brussels, Belgium.
3 Hôpital Universitaire Necker-Enfants Malades, Department of Pediatric orthopedic surgery, Cité Paris University, Paris 75015, France.