11Endocrine Unit, 1st Department of Internal Medicine, Laiko Hospital, National and Kapodistrian University of Athens, Athens, Greece
22Endocrine Unit, 1st Department of Propaedeutic Medicine, Laiko University Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
33Department of Pathology, General Hospital ‘Evangelismos’, Αthens, Greece
44Department of Endocrinology, OCDEM, University of Oxford, Oxford, UK
55Neuroendocrine Tumour Unit, Royal Free Hospital, London, UK
66Centre for Endocrinology, Barts and the London School of Medicine, Queen Mary University of London, London, UK