1 Nuclear Medicine, Deptartment of Health Science, University of Genoa, Genoa 16132, Italy; IRCCS Azienda Ospedaliera Universitaria San Martino-IST, Genoa, Italy. Electronic address: [email protected].
2 Quality Medical Consulting, Hamden, CT, USA.
3 Department of Nuclear Medicine, University of Leipzig, Leipzig, Germany.
4 Institute of Cognitive Sciences and Technologies, CNR, Rome, Italy; Department of Nuclear Medicine, Karolinska Hospital, Stockholm, Sweden.