Madsen, Christian
HÃ¥berg, Siri Eldevik
Aamodt, Geir
Stigum, Hein
Magnus, Per
London, Stephanie J.
Nystad, Wenche
Nafstad, Per
Funding for this research was provided by:
NIH/NIDS (grant no.1 UO1NS 047537-01 and grant no.2 UO1 NS 047537-06A1)