作者单位:
Biostatistics and Epidemiology Unit, Oslo University Hospital, Oslo, Norway
[1]
Department of Neurology, Bergen University Hospital, Norway, Institute of Clinical Medicine
[2]
Institute of Clinical Medicine, University of Bergen, Bergen, Norway
[3]
Department of Neurology, S?rlandet Sykehus Kristiansand, Pb 416, 4633 Kristiansand, Norway
[4]
发布时间
2013-11-20