1. Atta-ur-Rahman Institute for Natural Product Discovery (AuRIns), Universiti Teknologi MARA Selangor, Puncak Alam, Malaysia
2. Faculty of Pharmacy, Universiti Teknologi MARA Selangor, Puncak Alam, Malaysia
3. Faculty of Applied Sciences, Universiti Teknologi MARA, Shah Alam, Selangor, Malaysia