Commentary on "Predictors of Acute Kidney Injury After Hip Fracture in Older Adults". (11th February 2021) - Christensen, Julie Brauner; Aasbrenn, Martin; Castillo, Luana Sandoval; Ekmann, Anette; Jensen, Thomas Giver; Pressel, Eckart; Lunn, Troels Haxholdt; Suetta, Charlotte; Palm, Henrik