aSt. Stephen's Centre, Chelsea and Westminster Hospital, London, UK
bDepartment of Medical Sciences, Unit of Infectious Diseases, University of Turin, Turin, Italy
cDepartment of Molecular & Clinical Pharmacology, Liverpool Bioanalytical Facility, University of Liverpool, Liverpool, UK.
Correspondence to Dr. Marta Boffito, St. Stephen's Centre – Chelsea and Westminster Hospital, 369 Fulham Road, London SW10 9NH, UK. Tel: +44 (0)20 33156506; fax: +44 (0)20 33155628; e-mail: firstname.lastname@example.org
Received 1 May, 2014
Revised 16 May, 2014
Accepted 19 May, 2014