[1] Universiti Putra Malaysia,Institute of Biosciences
[2] Universiti Kebangsaan Malaysia,School of Biosciences and Biotechnology, Faculty of Sciences and Technology
[3] Institute for Medical Research,Bioassay Unit, Herbal Medicine Research Center
[4] Jalan Pahang,Profesor of Pharmacognosy, Department of Pharmacy
[5] King's College London,undefined