1. Department of Physiology and Pharmacology, Section for Integrative Physiology Karolinska Institutet Stockholm Sweden
2. Department of Molecular Medicine and Surgery, Section for Integrative Physiology Karolinska Institutet Stockholm Sweden
3. Department of Physiology and Pharmacology, Section for Molecular Muscle Physiology and Pathophysiology Karolinska Institutet Stockholm Sweden
4. Lilly Research Laboratories Division of Eli Lilly and Company Indianapolis IN USA