About the Authors

Yook Chin Chia

chiayc@um.edu.my

Affiliation Department of Primary Care Medicine, University of Malaya Primary Care Research Group (UMPCRG), Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia

Hooi Min Lim

Affiliation Department of Primary Care Medicine, University of Malaya Primary Care Research Group (UMPCRG), Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia

Siew Mooi Ching

Affiliations Department of Family Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia, Malaysian Research Institute on Ageing, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YCC. Performed the experiments: YCC. Analyzed the data: YCC HML SMC. Contributed reagents/materials/analysis tools: YCC. Wrote the paper: YCC HML SMC.