Affiliation: | Department of Anesthesia and Critical Care, Department of Obstetrics and Gynecology, The University of Chicago, 5841 S. Maryland Av., MC 4028, Chicago, IL 60637, USA;Institute of Obstetrics and Gynaecology, Queen Charlotte''s Hospital, London W6 0XG, UK;Laniado Hospital, Netanya, Israel;Department of Anaesthesia, Royal Surrey County Hospital, Guildford, UK;Department of Anaesthetics, Kingston Hospital, Kingston-upon-Thames, UK |