by Dankel, Simon N, Fadnes, Dag J, Stavrum, Anne-Kristin, Stansberg, Christine, Holdhus, Rita, Hoang, Tuyen, Veum, Vivian L, Christensen, Bjorn Jostein, Vage, Villy, Sagen, Jorn V, Steen, Vidar M, Mellgren, Gunnar
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Published in PloS one (13.10.2010)

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