Dr. Satyajit Sarker. Reader in Pharmacy, School of Biomedical Sciences, University of Ulster in Coleraine, Cromore Road, Coleraine, BT52 1SA, UK. . E-mail: s.sarker@ulster.ac.uk
Co-author: Dr. Lutfun Nahar. 5 The Walled Garden, Coleraine Co. Londonderry, BT51 3BF, UK. E-mail: lnahar2003@yahoo.co.uk