1. Private practice; Cagliari Italy
2. School of Dentistry; University of Cagliari; Cagliari Italy
3. Orofacial Pain Clinic; Department of Endodontics; Center for Pain Research and Innovation; School of Dentistry; University of North Carolina; Chapel Hill North Carolina
4. Department of Pain and Translational Symptom Science & Department of Anesthesiology; School of Nursing/School of Medicine; University of Maryland; Baltimore Maryland