作者单位: | Department of Occupational and Environmental Medicine, Lund University, Lund, Sweden;Department of Occupational and Environmental Medicine, Lund University, Lund, Sweden;Centre for Primary Health Care Research, Department of Clinical Science, Malmö, Lund University, Lund, Sweden;Department of Occupational and Environmental Medicine, Umeå University, Umeå, Sweden;Department of Occupational and Environmental Medicine, Lund University, Lund, Sweden;Department of Occupational and Environmental Medicine, Lund University, Lund, Sweden;Department of Occupational and Environmental Medicine, Umeå University, Umeå, Sweden
|