1 Department of Pathology, Queen Alexandra Hospital, University of Portsmouth, Portsmouth, United Kingdom.
2 Hospital of the University of Pennsylvania, Perelman School of Medicine, Philadelphia, Pennsylvania.
3 Cytopathology Section, Division of Anatomic Pathology and Histology, Catholic University, Foundation Agostino Gemelli University Hospital, Rome, Italy.
4 Royal Victoria Infirmary, Newcastle Upon Tyne Hospitals National Health Service Foundation Trust, Newcastle Upon Tyne, United Kingdom.
5 Institute of Pathology, University Hospital, Lausanne, Switzerland.
6 Division of Endocrinology, Catholic University, Foundation Agostino Gemelli University Hospital, Rome, Italy.
7 Department of Pathology, Cochin Hospital, University Paris Centre, Paris, France.