Financial & competing interests disclosure
The authors would like to acknowledge the Ministry of Education, Singapore (R-279-000-350-112 and R-279-000-418-112 to DT Leong and R-279-000-376-112 to CY Tay). The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript.
No writing assistance was utilized in the production of this manuscript.