About the Authors

Masdalina Pane

masdalina.pane@gmail.com

Affiliation Hajj Health Subdirectorate, Ministry of Health, Jakarta, Indonesia

Sholah Imari

Affiliation Hajj Health Subdirectorate, Ministry of Health, Jakarta, Indonesia

Qomariah Alwi

Affiliation National Health Institute Research and Development, Ministry of Health, Jakarta, Indonesia

I Nyoman Kandun

Affiliation Field Epidemiology Training Program, Ministry of Health, Jakarta, Indonesia

Alex R. Cook

Affiliations Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore, Singapore, Department of Statistics and Applied Probability, National University of Singapore, Singapore, Singapore, Duke-NUS Graduate Medical School Singapore, Singapore, Singapore, Communicable Disease Centre, Tan Tock Seng Hospital, Singapore, Singapore,

Gina Samaan

Affiliation National Centre for Epidemiology and Population Health, Australian National University, Canberra, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MP SI QA INK. Performed the experiments: MP SI QA. Analyzed the data: MP QA ARC GS. Wrote the manuscript: MP ARC GS.