Lund University, University of Alabama at Birmingham, Lund University, Karolinska Institutet, Lund University - Department of Clinical Sciences, Lund University - Department of Clinical Sciences, Lund University, Lund University, Lund University, Lund University, Lund University - Department of Clinical Sciences, Lund University - Center for Primary Health Care Research, Uppsala University, Karolinska Institutet - Institute of Environmental Medicine, Lund University - CRC - Clinical Research Center and Lund University - Department of Clinical Sciences