1. Clayton Foundation Laboratories for Peptide Biology, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, California 92037, United States
2. Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California-San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
3. Department of Clinical Sciences, Division of Experimental Vascular Research, Lund University, 221 00 Lund, Sweden
4. Härröd Research, Frans Persons väg 6, 40229 Gothenburg, Sweden
5. Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, United States