1. Allocca, National Institute of Technology, Gaithersburg, Maryland, USA.
2. Centre for Human Metabolomics, North-West University, Potchefstroom Campus, Potchefstroom, South Africa.
3. Chiba Medical Center, Chiba, Japan.
4. Cooperative Human Tissue Network, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
5. Wales Cancer Biobank, Cardiff University School of Medicine, Cardiff, South Glamorgan, United Kingdom.