1 Department of Nuclear Medicine and Endocrine Oncology, Institut Gustave Roussy and University Paris Sud, Villejuif, France. Electronic address: martin.schlumberger@igr.fr.
2 Abramson Cancer Center of the University of Pennsylvania, Philadelphia, PA, USA.
3 Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
4 Department of Nuclear Medicine and Endocrine Oncology, Institut Gustave Roussy and University Paris Sud, Villejuif, France.
5 Department of Nuclear Medicine, University of Marburg, Marburg, Germany.
6 División Endocrinología, Hospital de Clínicas, Universidad de Buenos Aires, Buenos Aires, Argentina.
7 Unit of Endocrinology, University of Siena, Siena, Italy.