About the Authors

Lixia Ge

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Validation, Visualization, Writing – original draft, Writing – review & editing

lixia_ge@nhg.com.sg

Affiliation Health Services and Outcomes Research, National Healthcare Group Pte Ltd, Singapore, Singapore

Chun Wei Yap

Roles Data curation, Project administration, Supervision, Validation, Writing – review & editing

Affiliation Health Services and Outcomes Research, National Healthcare Group Pte Ltd, Singapore, Singapore

Bee Hoon Heng

Roles Funding acquisition, Project administration, Supervision, Writing – review & editing

Affiliation Health Services and Outcomes Research, National Healthcare Group Pte Ltd, Singapore, Singapore

Competing Interests

The authors have read the journal's policy and have the following conflicts: all authors are employees of National Healthcare Group Pte Ltd. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials. There are no patents, products in development or marketed products to declare.