1. Department of Systems Medicine; Neurophysiopathology Unit; Sleep Medicine Centre; Tor Vergata University and Hospital; Rome Italy
2. IRCCS Neuromed Sleep Medicine Centre; Pozzilli Italy
3. Santa Lucia Foundation; Rome Italy
4. Department of Biomedicine and Prevention; Medical Physics Section; University of Rome “Tor Vergata,”; Rome Italy
5. Department of Neuroscience; “Tor Vergata,” University; Rome Italy
6. Department of Radiology; Athinoula A. Martinos Center for Biomedical Imaging; Boston Massachusetts U.S.A.
7. Harvard Medical School; Boston Massachusetts U.S.A