About the Authors

Zelda de Lange

Affiliation Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa

Dingeman C. Rijken

Affiliation Department of Haematology, Erasmus University Medical Centre, Rotterdam, The Netherlands

Tiny Hoekstra

Affiliations Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa, Department of Clinical Epidemiology, Leiden University Medical Centre, Leiden, The Netherlands

Karin R. Conradie

Affiliation Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa

Johann C. Jerling

Affiliation Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa

Marlien Pieters

marlien.pieters@nwu.ac.za

Affiliation Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MP DCR JCJ TH KRC ZdL. Performed the experiments: TH KRC ZdL. Analyzed the data: MP ZDL KRC TH DCR. Contributed reagents/materials/analysis tools: MP ZdL KRC TH DCR JCJ. Wrote the paper: ZdL DCR TH KRC JCJ MP.