1. Section of Endocrinology and Investigative Medicine, Department of Medicine; Imperial College London; London UK
2. Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology and Neuroscience; King's College London; London UK
3. AstraZeneca R&D; Mölndal Sweden
4. Institute of Neuroscience and Physiology; The Sahlgrenska Academy at the University of Gothenburg; Gothenburg Sweden