1 Molecular and Cell Biology, National Measurement Laboratory at LGC, Guildford, United Kingdom.
2 Genomics, Science and Research Group, The Medicines and Healthcare Products Regulatory Agency (MHRA), South Mimms, United Kingdom.
3 Centre de Référence, d'Innovation, d'Expertise et de Transfert (CRefIX), Centre National de Recherche en Génomique Humaine (CNRGH)-CEA, Evry, France.
4 School of Biosciences & Medicine, Faculty of Health & Medical Sciences, University of Surrey, Guildford, United Kingdom.