1. 1) Varga Z, Flammer AJ, Steiger P, Haberecker M, Andermatt R, Zinkernagel AS, Mehra MR, Schuepbach RA, Ruschitzka F, Moch H：Endothelial cell infection and endotheliitis in COVID-19. Lancet 2020；395：1417-1418
2. 2) Ackermann M, Verleden SE, Kuehnel M, Haverich A, Welte T, Laenger F, Vanstapel A, Werlein C, Stark H, Tzankov A, Li WW, Li VW, Mentzer SJ, Jonigk D：Pulmonary Vascular Endothelialitis, Thrombosis, and Angiogenesis in Covid-19. N Engl J Med 2020；383：120-128
3. 3) Alwan NA：The road to addressing Long Covid. Science 2021；373：491-493
4. 4) Soriano JB, Murthy S, Marshall JC, Relan P, Diaz JV；WHO Clinical Case Definition Working Group on Post-COVID-19 Condition：A clinical case definition of post-COVID-19 condition by a Delphi consensus. Lancet Infect Dis 2021：S1473-3099 (21) 00703-9
5. 5) COVID-19 rapid guideline：managing the long-term effects of COVID-19. London, National Institute for Health and Care Excellence (UK), 2020 Dec 18