About the Authors

Mei-Ling Sharon Tai

sharont1990@gmail.com

Affiliation Division of Neurology, Department of Medicine, Faculty of Medicine, University Malaya, Kuala Lumpur, Malaysia

Norbelinda Norhatta

Affiliation Division of Neurology, Department of Medicine, Faculty of Medicine, University Malaya, Kuala Lumpur, Malaysia

Khean Jin Goh

Affiliation Division of Neurology, Department of Medicine, Faculty of Medicine, University Malaya, Kuala Lumpur, Malaysia

Foong Ming Moy

Affiliation Department of Social and Preventive Medicine, Faculty of Medicine, University Malaya, Kuala Lumpur, Malaysia

Ramanujam Sujarita

Affiliation Department of Primary Care, Faculty of Medicine, University Malaya, Kuala Lumpur, Malaysia

Azman Ahmad Asraff

Affiliation Division of Neurology, Department of Medicine, Faculty of Medicine, University Malaya, Kuala Lumpur, Malaysia

Qin Zhi Lee

Affiliation Division of Neurology, Department of Medicine, Faculty of Medicine, University Malaya, Kuala Lumpur, Malaysia

Jiun Hoong Ng

Affiliation Division of Neurology, Department of Medicine, Faculty of Medicine, University Malaya, Kuala Lumpur, Malaysia

Eugene Choon Li Tan

Affiliation Division of Neurology, Department of Medicine, Faculty of Medicine, University Malaya, Kuala Lumpur, Malaysia

Sanjiv Mahadeva

Affiliation Division of Gastroenterology, Department of Medicine, Faculty of Medicine, University Malaya, Kuala Lumpur, Malaysia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MLST SM KJG NN. Performed the experiments: MLST NN AAA QZL JHN. Analyzed the data: SM MLST NN FMM. Contributed reagents/materials/analysis tools: RS ECLT. Wrote the paper: MLST SM NN.