作者单位: | [1]Wake Forest University School of Medicine, Medical Cel. ter Blvd, Winston-SaJem, NC 27157 [2]Departments of Neurology ,Wake Forest University, Winston- Salem, NC [3]Departments of Public Health Sciences, Wake Forest University, Winston- Salem, NC [4]AstraZeneca, Wilmington, Del [5]AstraZeneca, Macclesfield, England [6]Caritas Carney Hospital, Boston, Mass [7]Department of Epidemiology, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands [8]不详, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands |