**Author details**

Li Ping Wong<sup>1</sup> \*, Haridah Alias<sup>1</sup> , Nasrin Aghamohammadi<sup>2</sup> , Nik Meriam Nik Sulaiman<sup>3</sup> , Hualiang Lin4 and Jinshun Zhao5

\*Address all correspondence to: wonglp@ummc.edu.my

1 Julius Centre University of Malaya (JCUM), Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia

2 Centre for Occupational and Environmental Health, Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia

3 Department of Chemical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia

4 Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, China

5 Department of Preventive Medicine, Zhejiang Provincial Key Laboratory of Pathological and Physiological Technology, Medical School of Ningbo University, Ningbo, Zhejiang, China
