The cover image is based on the Clinical Report I Novel SMAD3 p.Arg386Thr genetic variant co-segregating with thoracic aortic aneurysm and dissection i by Karolina Engström et al., https://doi.org/10.1002/mgg3.1089. GLO:FU4V/01apr20:mgg31270-toc-0001.jpg PHOTO (COLOR): . gl.