1. 1Department of Anesthesiology, Leiden University Medical Center, Leiden, The Netherlands.
2. 2Department of Anesthesiology, Leiden University Medical Center, Leiden, The Netherlands.
3. 3Department of Anesthesiology, Leiden University Medical Center, Leiden, The Netherlands.
4. 4Department of Anesthesiology, Leiden University Medical Center, Leiden, The Netherlands.
5. 5Department of Anesthesiology, Leiden University Medical Center, Leiden, The Netherlands.
6. 6Department of Anesthesiology, Leiden University Medical Center, Leiden, The Netherlands.
7. 7Department of Anesthesiology, Leiden University Medical Center, Leiden, The Netherlands.
8. 8Trevena Inc., Chesterbrook, Pennsylvania.
9. 9Trevena Inc., Chesterbrook, Pennsylvania.
10. 10Trevena Inc., Chesterbrook, Pennsylvania.
11. 11Trevena Inc., Chesterbrook, Pennsylvania.
12. 12Department of Anesthesiology, Leiden University Medical Center, Leiden, The Netherlands.
13. 13Department of Anesthesiology, Leiden University Medical Center, Leiden, The Netherlands.
14. 14Department of Anesthesiology, Leiden University Medical Center, Leiden, The NetherlandsPainLess Foundation, Leiden, The Netherlands.