1. Department of Endocrinology & Medicine; Aalborg Hospital; Aarhus University Hospital; Aalborg; Denmark
2. Endocrine Unit; Medical Clinic I; Bispebjerg Hospital; Copenhagen; Denmark
3. Department of Internal Medicine; Slagelse Hospital; Slagelse; Denmark
4. Ministry of Food; Agriculture and Fisheries; Copenhagen; Denmark
5. Research Centre for Disease Prevention and Health; Copenhagen; Denmark