1 Department of Anesthesiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.
2 Department of Dietetics, University of Malaya Medical Centre, Kuala Lumpur, Malaysia.
3 Nutritional Sciences Programme and Centre for Community Health Studies (ReaCH), Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia.
4 Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.
5 Department of Nutrition, Faculty of Public Health, Universitas Airlangga, Surabaya, Indonesia.
6 KPJ Tawakkal Specialist Hospital, Kuala Lumpur, Malaysia.
7 Department of Anesthesiology, International Islamic University Malaysia, Selangor, Malaysia.
8 Sector for Biostatistics and Data Repository, Research Policy and Planning Division, National Institutes of Health, Selangor, Malaysia.
9 Centre of Nutrition and Dietetics Studies, Faculty of Health Sciences, Universiti Teknologi MARA, Selangor, Malaysia.