1. Centre for Neuroendocrinology, Department of Immunology University of Pretoria Pretoria South Africa
2. Department of Integrative Biomedical Sciences, Institute of Infectious Disease and Molecular Medicine University of Cape Town Cape Town South Africa
3. Institute of Metabolism and Systems Research, College of Medical and Dental Sciences University of Birmingham Birmingham UK
4. Centre for Endocrinology, Diabetes and Metabolism Birmingham Health Partners Birmingham UK
5. Department of Endocrinology, Queen Elizabeth Hospital University Hospitals Birmingham NHS Foundation Trust Birmingham UK
6. Department of Endocrinology University Hospital Zagreb Zagreb Croatia
7. School of Medicine University of Zagreb Zagreb Croatia