1 Stem Cell & Immunity Research Group, Department of Pathology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia.
2 Tissue Engineering and Regenerative Medicine Society of Malaysia (TESMA).
3 Lung Stem Cell and Gene Therapy Group, Department of Biomedical Sciences, Advanced Medical & Dental Institute (AMDI), Universiti Sains Malaysia, Sains@Bertam, 13200 Kepala Batas, Penang, Malaysia.
4 Tissue Engineering Group (TEG), National Orthopaedic Center of Excellence for Research & Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia.