About the Authors

Yi-Xin Liew

Affiliation Department of Pharmacy, Singapore General Hospital, Singapore, Singapore

Prabha Krishnan

Affiliation Department of Laboratory Medicine,Tan Tock Seng Hospital, Singapore, Singapore

Chay-Leng Yeo

Affiliation Department of Pharmacy, National University Health System, Singapore, Singapore

Thean-Yen Tan

Affiliation Department of Laboratory Medicine, Changi General Hospital, Singapore, Singapore

Siok-Ying Lee

Affiliation Department of Pharmacy, Khoo Teck Puat Hospital, Singapore, Singapore

Wan-Peng Lim

Affiliation Department of Pharmacy, Tan Tock Seng Hospital, Singapore, Singapore

Winnie Lee

Affiliation Department of Pharmacy, Singapore General Hospital, Singapore, Singapore

Li-Yang Hsu

liyang_hsu@yahoo.com

Affiliation Department of Medicine, National University Health System, Singapore, Singapore

Network for Antimicrobial Resistance Surveillance (Singapore)

Competing Interests

L-YH has received research funding and speaker's honoraria from Pfizer, AstraZeneca, Janssen & Cilag, and Merck, Sharpe & Dohme. PK has received speaker's honorarium from Merck, Sharpe & Dohme. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: L-YH PK T-YT. Performed the experiments: Y-XL C-LY S-YL W-PL WL. Analyzed the data: L-YH WL Y-XL. Contributed reagents/materials/analysis tools: L-YH. Wrote the paper: Y-XL L-YH. Provided the overall framework and necessary liaisons for the experiments: NARSS.