1. Department of Translational Science; Global Innovation; Grünenthal GmbH; Aachen Germany
2. Department of Cardiovascular Sciences; University of Leicester, Division of Anaesthesia, Critical Care and Pain Management; Leicester Royal Infirmary; Leicester UK
3. Department of Physiology & Pharmacology; Wake Forest University School of Medicine; Winston-Salem NC USA
4. Department of Molecular Pharmacology; Global Innovation; Grünenthal GmbH; Aachen Germany