Affiliation: | aObstetric Anesthesia Unit, Department of Anesthesia, the Edith Wolfson Medical Center, Holon 58100, Israel;bOUTCOMES RESEARCH GROUP, The Cleveland Clinic Foundation, Cleveland, OH 44195, USA;cDepartment of Obstetrics & Gynecology, the Edith Wolfson Medical Center, Holon 58100, Israel;dEpidemiology Unit, Edith Wolfson Medical Center, Holon 58100, Israel |