Corrigendum to “The effect of structural diversity on the self-thinning line, yield level, and density-growth relationship in even-aged stands of Norway spruce” [For. Ecol. Manag. 556 (2024) 121736] (Forest Ecology and Management (2024) 556, (S0378112724000483), (10.1016/j.foreco.2024.121736))