1. Division of Endocrinology, Gerontology, and Metabolism, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
2. Section on Clinical, Behavioral, and Outcomes Research, Joslin Diabetes Center, Boston, MA, USA
3. Academic Unit of Translational Medical Sciences, School of Medicine, University of Nottingham, University of Nottingham, Nottingham, UK
4. Department of Medical Psychology, Hannover Medical School, Hannover, Germany