[1] Karolinska Inst, Ctr Psychiat Res, Dept Clin Neurosci, Stockholm, Sweden
[2] Columbia Univ, Dept Psychiat, Mol Imaging & Neuropathol Div, New York, NY USA
[3] Karolinska Univ Hosp, Karolinska Inst, Dept Clin Neurosci, Neuroimmunol Unit, Stockholm, Sweden
[4] Karolinska Inst, Dept Physiol & Pharmacol, Stockholm, Sweden
[5] Karolinska Inst, Astrazeneca PET Sci Ctr, Personalised Healthcare & Biomarkers, Stockholm, Sweden
[6] Univ Cambridge, Dept Psychiat, Cambridge, England