1. Laboratory of Islet Cell Physiology, Novo Nordisk A/S, Novo Allé, DK‐2880 Bagsvaerd, Sweden
2. Bartholin Instituttet, Kommunehospitalet, DK‐1399 Copenhagen, Denmark
3. Department of Physiological Sciences, Lund University, BMC F11, SE‐221 84 Lund, Sweden