1. St. Thomas' Hospital Campus, Department of Chemical Pathology,
Lambeth Palace Road, London SE1 7EH, UK ; ;
2. Niche Science & Technology,
London House, 243-253 Lower Mortlake Road, Richmond-Upon-Thames, London TW9 2LL, UK
3. Lister Hospital, Consultant in Metabolic Medicine/Chemical Pathology,
Stevenage, Hertfordshire SG1 4AB, UK