Received: 24 December 2020
Accepted: 21 May 2021
First Online: 25 June 2021
: This study was reviewed and approved by the Singhealth Centralized Institute Review Board (reference 2014/692/D). All participants provided written informed consent.
: Not applicable.
: KMG, YSC and FKYP have received reimbursement to speak at conferences sponsored by companies selling nutritional products. KMG, YSC and SYC are part of an academic consortium who have received research funding from Abbott, Nutrition, Nestle and Danone. Other authors declare that they have no competing interests.