1. Division of Endocrinology, Department of Physiology, Institute of Neuroscience and Physiology; The Sahlgrenska Academy at the University of Gothenburg; Gothenburg Sweden
2. AstraZeneca R&D Mölndal; Mölndal Sweden
3. Department of Molecular and Clinical Medicine, Institute of Medicine; The Sahlgrenska Academy at the University of Gothenburg; Gothenburg Sweden
4. Division of Molecular Genetics, Department of Pediatrics and Naomi Berrie Diabetes Center; Columbia University, College of Physicians and Surgeons; New York NY USA