Affiliation: | 1. Department of Obstetrics and Gynecology, Haddash Hospital, Mount Scopus, Jerusalem, Israel.;2. Department of Neurology, North York Branson Hospital, Willowdale, Ontario, Canada.;3. Division of Haematology-Oncology, Department of Medicine, The Toronto Hospital, Toronto, Ontario, Canada.;4. Department of Neurology, Memorial Sloan-Kettering Cancer Center, Cornell University Medical College, New York, New York. |