T-tubule disruption is a prominent feature of HFrEF but not HFpEF. (March 2020) - Frisk, Michael; Le, Christopher; Hou, Yufeng; Røe, Åsmund; Dahl, Christen; Shen, Xin; Sjaastad, Ivar; Lunde, Ida; Gullestad, Lars; Tønnessen, Theis; Sejersted, Ole; Jones, Peter; et al.