1. Institute of Bioscience; Universiti Putra Malaysia; 43400 UPM Serdang Selangor Malaysia
2. Dept. of Microbiology, Faculty of Biotechnology and Biomolecular Sciences; Universiti Putra Malaysia; 43400 UPM Serdang Selangor Malaysia
3. Chemical Engineering Discipline, School of Engineering; Monash University, Sunway Campus, Jalan Lagoon Selatan; 46150 Bandar Sunway Selangor Malaysia