[1
]Department of Pediatrics , Emma Children’s Hospital, Amsterdam University Medical Center, University of Amsterdam,
Amsterdam, The Netherlands
[2
]Department of Pediatric Endocrinology , Wilhelmina Children’s Hospital/ University Medical Center Utrecht, Utrecht, The Netherlands
[3
]Academic Center For Thyroid Disease , Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
[4
]Princess Máxima Center for Pediatric Oncology , Utrecht, The Netherlands
[5
]Department of Nuclear Medicine , University of Brescia and Spedali Civili of Brescia, Brescia, Italy
[6
]Department of Pediatrics , Radboud University Medical Center, Amalia Children's Hospital, Nijmegen, The Netherlands
[7
]The Oncologic and Reconstructive Surgery Clinic , M. Sklodowska-Curie National Research Institute of Oncology Gliwice Branch, Gliwice,
Poland
[8
]Department of Endocrinology and Diabetes , Birmingham Children’s Hospital, Birmingham Women’s, and Children’s NHS Foundation
Trust, Birmingham, UK
[9
]Institute of Metabolism and Systems Research , College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
[10
]Department of Pediatric Endocrinology , Children's Clinical University Hospital, Riga, Latvia
[11
]Endocrine Unit , Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
[12
]Nuclear Medicine Department , Vall d'Hebron University Hospital, Barcelona, Spain
[13
]Department of Clinical Genetics , Guy's and St Thomas’ NHS Foundation Trust, London, UK
[14
]Division of Endocrinology , Diabetes, and Metabolism, First Department of Pediatrics National and Kapodistrian
University of Athens Medical School, Aghia Sophia Children's Hospital, Athens, Greece
[15
]Institute of Experimental Pediatric Endocrinology , Charité - Universitätsmedizin, Berlin, Germany
[16
]Department of Endocrine Oncology , Gustave Roussy, Villejuif, France
[17
]Department of Visceral , Vascular and Endocrine Surgery, Martin Luther University Halle-Wittenberg, Halle (Saale),
Germany
[18
]Department of Nuclear Medicine , University Hospital Marburg, Marburg, Germany
[19
]Department of Endocrinology , Lithuanian University of Health Sciences, Kaunas, Lithuania
[20
]Nuclear Medicine Service - Institut de diagnòstic per la Imatge , Hospital Universitari de Girona Dr. Josep Trueta, Girona, Spain
[21
]Thyroid Therapy Unit , The Royal Marsden NHS Foundation Trust Hospital, London, UK
[22
]Endocrinology , Endocrinology Division, Garibaldi-Nesima Medical Center, Catania, Italy
[23
]Department of Nuclear Medicine , EO Ospedali Galliera, Genoa, Italy
[24
]Department of Medicine , Division of Endocrinology, Leiden, University medical Center, Leiden, The Netherlands
[25
]Pediatric Oncology Department , Otto von Guericke University Children's Hospital, Magdeburg, Germany
[26
]Regina Margherita Children Hospital - Department of Public Health and Pediatric Sciences , University of Torino, Torino, Italy
[27
]University Hospital of São João , Medical Faculty and Institute of Molecular Pathology and Immunology, University of
Porto, Porto, Portugal
[28
]Department of Pediatric Endocrinology , Emma Children’s Hospital, Amsterdam University Medical Center, University of Amsterdam,
Amsterdam, The Netherlands
[29
]Department of Radiology & Nuclear Medicine , Erasmus MC Rotterdam, Rotterdam, The Netherlands
[30
]Department of Endocrine Surgery , University Medical Center Utrecht, Utrecht, The Netherlands
[31
]Department of Endocrinology , University Medical Center Groningen, Groningen, The Netherlands
[32
]Developmental Endocrinology Research Group , Royal Hospital for Children, University of Glasgow, Glasgow, UK
[33
]Office for Rare Conditions , University of Glasgow, Glasgow, UK