1. Institute for Laboratory Medicine, German Heart Centre, Technical University Munich, Munich, Germany
2. Centre of Excellence for Nutrition (CEN), North-West University, Potchefstroom, South Africa
3. Human Metabolomics, Biochemistry Division, North-West University, Potchefstroom, South Africa
4. Centre of Excellence for Pharmaceutical Sciences, North-West University, Potchefstroom, South Africa
5. Centre for Tropical Medicine, University of Oxford, Oxford, United Kingdom