1. From the Department of Anesthesiology, Rheinisch-Westfälische Technische Hochschule Aachen University Hospital, Germany (O.G.); Thrombosis and Atherosclerosis Research Institute and Department of Medicine, McMaster University, Hamilton, Canada (S.S.); and Department of Obstetrics and Gynecology, The First I.M. Sechenov Moscow State Medical University, Russia (S.S.).