1. Nuclear Medicine, University of Brescia, ASST Spedali Civili Brescia, 25123 Brescia, Italy
2. Department of Molecular and Translation Medicine, Surgical Clinic, University of Brescia, 25121 Brescia, Italy
3. Section of Otorhinolaryngology-Head and Neck Surgery, Department of Neurosciences, Azienda Ospedale-Università di Padova, 35131 Padova, Italy
4. Unit of Otorhinolaryngology-Head and Neck Surgery, ASST Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiologic Sciences and Public Health, University of Brescia, Piazzale Spedali Civili 1, 25123 Brescia, Italy
5. Nuclear Medicine, Imaging Institute of Southern Switzerland, Ente Ospedaliero Cantonale, 6500 Bellinzona, Switzerland
6. Department of Nuclear Medicine and Molecular Imaging, Lausanne University Hospital, University of Lausanne, 1011 Lausanne, Switzerland
7. Faculty of Biomedical Sciences, Università della Svizzera Italiana, 6900 Lugano, Switzerland