1. Department of Medical Sciences, School of Nursing University of Udine Udine Italy
2. Centro di Riferimento Oncologico di Aviano (CRO) IRCCS Aviano Italy
3. Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health University of Genova Savona Italy
4. Department of Pain Translational Symptom Science, School of Nursing University of Maryland Baltimore Maryland
5. Department of Anesthesiology and Psychiatry, School of Medicine University of Maryland Baltimore Maryland
6. Center to Advance Chronic Pain Research University of Maryland Baltimore Maryland