About the Authors

Ping Yein Lee

Affiliation Department of Family Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia

Su May Liew

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

Adina Abdullah

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

Nurdiana Abdullah

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

Chirk Jenn Ng

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

Nik Sherina Hanafi

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

Yook Chin Chia

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

Pauline S. M. Lai

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

Stalia S. L. Wong

Affiliation Klinik Perubatan Keluarga SL Wong, Klang, Selangor, Malaysia

Ee Ming Khoo

khooem@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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PYL SML AA NA CJN NSH YCC PSML SSLW EMK. Performed the experiments: PYL SML AA NA CJN NSH YCC PSML SSLW EMK. Analyzed the data: PYL SML AA NA CJN NSH PSML SSLW EMK. Wrote the paper: PYL SML AA NA CJN NSH YCC PSML SSLW EMK.