1. Health Center Zagreb-West, 10000 Zagreb, Croatia
2. School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
3. Family medicine practice Valerija Bralić Lang, 10000 Zagreb, Croatia
4. Vuk Vrhovac University Clinic for Diabetes, Endocrinology and Metabolic Diseases, Merkur University Hospital, 10000 Zagreb, Croatia
5. Department of Internal E.R., Merkur University Hospital, 10000 Zagreb, Croatia