"Post Covid Syndrome and Cognitive Dysfunction – Aetiology and Possible Treatment" - I think figure 1, the arrows going towards "cognitive dysfunction" should be bidirectional - but otherwise, yet another lay of the land paper implicitly but strongly suggesting that there is a pressing need for research focus on LC and ME/CFS treatments: https://cdn.fortunejournals.com/articles/post-covid-syndrome-and-cognitive-dysfunction-ndash-aetiology.pdf