Affiliation: | 1.Department of Neurology,Jacobs School of Medicine and Biomedical Sciences, University at Buffalo,Buffalo,USA;2.Syncope Unit,Bispebjerg and Frederiksberg Hospital,Copenhagen,Denmark;3.Laboratory Medicine and Pediatrics,Yale University School of Medicine,New Haven,USA;4.Rheumatology Department,National Institute of Cardiology,Mexico City,Mexico |