https://academic.oup.com/jcem/article/106/3/e1343/5934827 https://academic.oup.com/jcem/article/106/3/e1343/5934827 https://www.medrxiv.org/content/10.1101/202

https://academic.oup.com/jcem/article/106/3/e1343/5934827 https://academic.oup.com/jcem/article/106/3/e1343/5934827 https://www.medrxiv.org/content/10.1101/2020.09.04.20188268v1.full.pdf https://www.medrxiv.org/content/10.1101/2020.09.04.20188268v... (Also, thanks. I didn't realize the one you cited as retracted, though there's some nuance there too.)