1. NEMA Research Group, Naples, FL, USA
2. Department of Medical and Surgical Sciences and Biotechnology, Unit of Anesthesiology, Anesthesiology, Intensive Care Medicine, and Pain Therapy, Faculty of Pharmacy and Medicine, Polo Pontino Sapienza, University of Rome, Latina, Italy
3. Department of Anesthesiology, Via San Salvatore, L’Aquila, Italy
4. Mariano Medical, LLC, Pain/Addiction Consultants, West Hartford, CT, USA
5. Department of Medicine, Cardiology Research Unit, Karonlinska Institutet, Stockholm, Sweden
6. Centre for Research and Development, Uppsala University/Region Gavleborg, Gavle, Sweden