1. Device R&D, Novo Nordisk, Brennum Park 20A1.105, 3400 Hillerød, Denmark
2. Department of Medical Informatics, Aalborg University, Frederik Bajers Vej 7D1, 9220 Aalborg, Denmark
3. Education Centre, Steno Diabetes Center, Niels Steensens Vej 2, 2820 Gentofte, Denmark