1. Anesthesia Resident; Assistant Professor of Pharmacology Department of Anesthesiology, Turku University Central Hospital, Turku, Finland. At the time this study was performed, Dr. Scheinin was an employee of Orion Corporation Farmos. Currently, Dr. Scheinin acts as a consultant to Orion Corporation Farmos
2. Staff Anesthesiologist, Department of Anesthesiology, Turku University Central Hospital
3. Staff Anesthesiologist, Regional Hospital of Rauma
4. Chief Anesthesiologist; Assistant Professor of Anesthesiology, Department of Anesthesiology, Tampere University Hospital
5. Biostatistician, Orion Corporation Farmos
6. Professor of Anesthesiology, Department of Anesthesiology, Turku University Central Hospital