Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Stockholm University, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
University of Gothenburg, Sweden; Sahlgrenska University Hospital, Sweden .
Stockholm University, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden Uppsala University, Sweden .
Karolinska Institute, Sweden; Uppsala University, Sweden .
Stockholm University, Sweden .
Stockholm University, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
University of Gothenburg, Sweden; Sahlgrenska University Hospital, Sweden .
Stockholm University, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden; Uppsala University, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Stockholm University, Sweden .
Karolinska Institute, Sweden .
Stockholm University, Sweden .
Karolinska Institute, Sweden .
Stockholm University, Sweden .
Karolinska Institute, Sweden .
Stockholm University, Sweden .
Stockholm University, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden; Uppsala University, Sweden .
University of Gothenburg, Sweden, Sahlgrens University Hospital, Sweden .
Stockholm University, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Karolinska Institute, Sweden .
Nature Publishing Group, 2014. Vol. 508, no 7495, p. 215-221