[1] Pi Res Consultancy Ctr, Dhaka 1100, Bangladesh
[2] Shaheed Syed Nazrul Islam Med Coll, Kishoreganj, Bangladesh
[3] Bangabandhu Sheik Mujib Med Univ, Dhaka, Bangladesh
[4] Univ Missouri, MU Womens & Childrens Hosp, Dept Child Hlth, Sch Med, Columbia, MO USA
[5] Dhaka Med Coll & Hosp, Dept Med, Dhaka, Bangladesh
[6] Toxicol Soc Bangladesh, Dhaka, Bangladesh