Ethics approval and consent to participate
HCC
Consistent with Swedish law and the Helsinki Declaration of 1964 with all amendments, the Swedish Ethical Review Authority Regional Ethical Committee in Lund, Sweden (Institutional Review Board case no. 2017/540) approved the study. The study was performed in 2017. Informed consent was obtained from those who were recruited from the Health Care Center (HCC) connected to the Endocrinology Clinic at Kristianstad Central Hospital, Sweden.