Financial & competing interests disclosure
PM Meaney is a Professor of the Thayer School of Engineering at Dartmouth College and co-owner of Microwave Imaging System Technologies, Inc., both in Hanover, NH, USA. The author has 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 apart from those disclosed.
No writing assistance was utilized in the production of this manuscript.