1 Vascular Medicine and Biology Medicine Theme, Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK.
2 Vascular Medicine and Biology Medicine Theme, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK.
3 Regenerative Medicine, Stem Cells, and Transplantation Theme, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK.
4 Islet Biology Exeter (IBEx), Exeter Centre of Excellence for Diabetes Research (EXCEED), Department of Clinical and Biomedical Sciences, University of Exeter Medical School, Exeter, UK.