1. Institute of Environmental Medicine; Karolinska Institutet; Stockholm Sweden
2. Center for Occupational and Environmental Medicine; Stockholm County Council; Stockholm Sweden
3. Department of Medical Sciences; Uppsala University; Uppsala Sweden
4. Department of Clinical Sciences in Malmö; Clinical Research Centre; Lund University; Malmö Sweden
5. Department of Public Health and Caring Sciences; Uppsala University; Uppsala Sweden
6. Department of Medicine; Division of Endocrinology; Helsinki University Central Hospital; Research Program for Diabetes and Obesity; University of Helsinki, and Folkhalsan Research Center; Helsinki Finland