Posted April 21, 2021 Interesting, and (unlike many journal articles) free to view https://www.mdpi.com/1648-9144/57/5/400/htm?fbclid=IwAR14TUrWs93FyPO0dp8fuNQBVO5OsSkcMbQSLlaTN4Nr3Ky3i6gAsKWZ3cg