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.