1. Singapore Oral Microbiomics Initiative National Dental Research Institute Singapore National Dental Center Singapore
2. Oral Health Academic Clinical Program Duke NUS Medical School Singapore
3. Department of Obstetrics & Gynaecology, Yong Loo Lin School of Medicine National University Hospital Singapore
4. Department of Biological Sciences, Faculty of Science National University of Singapore Singapore
5. Discipline of Primary Dental Care and Population Oral Health, Faculty of Dentistry National University of Singapore Singapore
6. School of Nursing Hubei University of Medicine Shiyan City Hubei Province China
7. Alice Lee Centre for Nursing Studies, Yong Loo Lin School of Medicine National University of Singapore Singapore