Acknowledgment
The author would like to thank Dr. Dean Regier for valuable comments.
Declaration of interests
The author has 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. There are no conflicts of interest. No writing assistance was received. No funding was received.