1. Anesthesia and Intensive Care Unit; Pain Relief and Palliative Care Unit, La Maddalena Cancer Center, Palermo; and Palliative Medicine
University of Palermo, Palermo, Italy
2. Chair of Anesthesiology, Tor Vergata University
RomeItaly
3. Department of Oncology, University of L’Aquila, and Home Care Program “L’Aquila per la vita”
L’AquilaItaly
4. Pain Therapy, San Filippo Neri Hospital
RomeItaly
5. Anesthesia and Intensive Care Unit; Pain Relief and Palliative Care Unit, La Maddalena Cancer Center
PalermoItaly
6. Department of Experimental Biomedicine and Clinical Neuroscience, University of Palermo
PalermoItaly