1. B. Syed:
Biological Science Department, Quaid-i-Azam University (QAU), Islamabad, Pakistan
2. A. Farhat:
Biological Science Department, Quaid-i-Azam University (QAU), Islamabad, Pakistan
3. N. I. Abid:
Biological Science Department, Quaid-i-Azam University (QAU), Islamabad, Pakistan
4. K. Zaheer:
Biological Science Department, Quaid-i-Azam University (QAU), Islamabad, Pakistan
5. Q. J. Iqbal:
Biological Science Department, Quaid-i-Azam University (QAU), Islamabad, Pakistan
6. M. Mazar:
Chemistry Department, Quaid-i-Azam University (QAU), Islamabad, Pakistan