Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden.|Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden.|Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden.|Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden.|Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden.|Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden.|Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden.