Affiliations

• ¹ Department of Paediatric Surgery, University of Leipzig, Leipzig, Germany.
• ² University Surgery Unit, Faculty of Medicine, University of Southampton, Southampton, UK.
• ³ Servicio de Cirugía Pediátrica, Hospital Materno-Infantil del HRU de Málaga, Málaga, Spain.
• ⁴ Department of General Paediatric Surgery, Gregorio Marañón Hospital, Madrid, Spain.
• ⁵ Department of Paediatric Surgery, Hannover Medical School, Hannover, Germany.
• ⁶ Department of Paediatric Surgery, University of Helsinki, Helsinki, Finland.
• ⁷ Pediatric Surgery Unit, Oxford Children's Hospital and University of Oxford, Oxford, UK.
• ⁸ Department of Paediatric Surgery and Urology, Necke-Enfants Malades Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France.
• ⁹ Department of Paediatric Surgery and Urology, Robert Debré Hospital, Assistance Publique-Hôpitaux de Paris, Paris Cité University, Paris, France.
• ¹⁰ Paediatric Surgery Department, Aristotle University of Thessaloniki, Thessaloniki, Greece.
• ¹¹ Department of Paediatric Surgery, 'Attikon' University General Hospital, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece.
• ¹² Pediatric Surgery Unit, Medical Centre of Postgraduate Education, Warsaw, Poland.
• ¹³ Paediatric Surgery and Urology Department, Wroclaw University of Medicine, Wroclaw, Poland.
• ¹⁴ Paediatric Surgery Department, Regina Margherita Hospital, Turin, Italy.
• ¹⁵ Paediatric Surgery Department, 'V. Buzzi' Children's Hospital and University of Milan, Milan, Italy.
• ¹⁶ Department of Paediatric Surgery, Skåne University Hospital, Lund, Sweden.
• ¹⁷ Department of Paediatric Surgery, Karolinska University Hospital, Stockholm, Sweden.
• ¹⁸ Department of Paediatric Surgery, Oslo University Hospital and University of Oslo, Oslo, Norway.
• ¹⁹ University Centre of Paediatric Surgery of Western Switzerland, Division of Child and Adolescent Surgery, Department of Paediatrics, Gynaecology, and Obstetrics, University of Geneva, Geneva University Hospitals, Geneva, Switzerland.
• ²⁰ Division of Paediatric Urology, Department of Paediatric Surgery, Istanbul University Cerrahpasa Faculty of Medicine, Istanbul, Turkey.
• ²¹ Department of Paediatric Surgery, Hospital de Braga, Braga, Portugal.
• ²² Paediatric Surgical Centre of Amsterdam, Emma Children's Hospital and VU University Medical Centre, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands.
• ²³ Department of Paediatric Surgery, Université Libre de Bruxelles (ULB), Queen Fabiola Children's Hospital, Brussels, Belgium.
• ²⁴ Pediatric Surgery Unit, Children's Hospital, Affiliate of Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania.
• ²⁵ Department of Paediatric and Adolescent Surgery, Medical University of Graz, Graz, Austria.
• ²⁶ Department of Paediatric Surgery, Charles University and Motol University Hospital, Prague, Czech Republic.
• ²⁷ Department of Paediatric Surgery, University Hospital of Split, Split, Croatia.
• ²⁸ Department of Surgery, University of Split, School of Medicine, Split, Croatia.
• ²⁹ Department of Paediatric Surgery, Grigore Alexandrescu Clinical Emergency Hospital for Children, Bucharest, Romania.
• ³⁰ Department of Paediatric Surgery and Orthopaedics, 'Carol Davila' University of Medicine and Pharmacy, Bucharest, Romania.
• ³¹ Department of Paediatric Surgery and Paediatric Urology, Children's Health Ireland at Temple Street and University College Dublin, Dublin, Ireland.
• ³² Division of General and Thoracic Surgery, Hospital for Sick Children, Toronto, Ontario, Canada.
• ³³ Department of Surgery, University of Toronto, Toronto, Ontario, Canada.
• ³⁴ Department of Surgery, St Jude Children's Research Hospital, Memphis, Tennessee, USA.