Fung, Foon Yin http://orcid.org/0000-0002-6414-9301
Koh, Yi Ling Eileen
Malhotra, Rahul
Ostbye, Truls
Lee, Ping Yein
Shariff Ghazali, Sazlina
Tan, Ngiap Chuan
Funding for this research was provided by:
Mitsui Sumitomo Insurance Welfare Foundation
Article History
Received: 12 September 2018
Accepted: 15 April 2019
First Online: 29 April 2019
Ethics approval and consent to participate
: This study was reviewed and approved by the SingHealth Centralized Institutional Review Board (CIRB reference 2017/2393). Participants were provided the approved patient information sheet, clarified on their queries and recruited after the investigator obtained their informed written consent.
: Not applicable.
: The authors declare that they have no competing interests.
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