1 Centre of Studies for Periodontology, Faculty of Dentistry, Universiti Teknologi MARA, 40450 Shah Alam, Malaysia
2 Faculty of Medicine, Universiti Teknologi MARA, Jalan Hospital, Sungai Buloh Campus, 47000 Sungai Buloh, Selangor, Malaysia ; DDH CoRe, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Selangor Darul Ehsan, Malaysia
3 Center of Preclinical Science, Faculty of Dentistry, Universiti Teknologi MARA, 40450 Shah Alam, Selangor Darul Ehsan, Malaysia