Department of Pathology, Laboratory for Experimental Patho-Oncology, Erasmus MC - University Medical Center Rotterdam, Be-432, P,O, Box 2040, Rotterdam 3000 CA, Netherlands. l.looijenga@erasmusmc.nl.|Department of Genetic Engineering and Biotechnology, University of Dhaka, Science Complex Building, Dhaka 1000, Bangladesh. khademul@du.ac.bd.