Author contributions
WJ Chan and FG Tseng wrote this manuscript. The manuscript was written through contributions of all authors. All authors have given approval to the final version of the manuscript.
Financial & competing interests disclosure
The authors have no 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. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.
No writing assistance was utilized in the production of this manuscript.
Data sharing statement
The authors did not report the original results of a clinical trial or the secondary analysis of clinical trial data.