1. Unit of Psychiatry; Department of Neuroscience; Uppsala University; Uppsala Sweden
2. Centre for Pharmacoepidemiology at the Department of Medicine; Karolinska Institutet; Solna Sweden
3. Department of Medicine; Section of Cardiology, Huddinge; Karolinska Institutet; Karolinska University Hospital; Stockholm Sweden
4. Department of Medical Sciences; Uppsala University and Uppsala Clinical Research Center; Uppsala Sweden