Accepted for Publication: March 4, 2021.
Published: April 22, 2021. doi:10.1001/jamanetworkopen.2021.7498
Open Access: This is an open access article distributed under the terms of the CC-BY License. © 2021 Tu TM et al. JAMA Network Open.
Corresponding Author: Tian Ming Tu, MRCP, Department of Neurology, National Neuroscience Institute, 11 Jalan Tan Tock Seng, Singapore 308433 (tu.tian.ming@singhealth.com.sg).
Author Contributions: Dr Tu had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Tu, Seet, Umapathi.
Acquisition, analysis, or interpretation of data: Tu, Seet, Tham, Koh, Chiew, De Leon, Chua, Hui, S. S. Y. Tan, Vasoo, B. Y.-Q. Tan, Tambyah, Yeo.
Drafting of the manuscript: Tu, Seet, Koh, De Leon, Chua, B. Y.-Q. Tan, Tambyah.
Critical revision of the manuscript for important intellectual content: Tu, Tham, Chiew, Hui, S. S. Y. Tan, Vasoo, B. Y.-Q. Tan, Umapathi, Tambyah, Yeo.
Statistical analysis: Tu, De Leon, B. Y.-Q. Tan.
Administrative, technical, or material support: Tham, Koh, Chiew, Hui, S. S. Y. Tan, B. Y.-Q. Tan, Umapathi, Tambyah, Yeo.
Supervision: Umapathi, Yeo.
Conflict of Interest Disclosures: Dr Tambyah reported receiving grants paid to the institution from Roche, Shionogi, Arcturus, and Johnson and Johnson as well as honorarium paid to the institution from AJ Biologics. Dr Yeo reported receiving personal fees from Stryker and grants from the National Medical Research Council of Singapore outside the submitted work. No other disclosures were reported.