Defining and Categorizing Nonpharmacologic Interventions in the Older Population: A Systematic Review. - Kooijmans, Eline C.M.; Hoogendijk, Emiel O.; Drapała, Natalia; Antonenko, Olena; Burchell, George L.; Barańska, Ilona; Pokladníková, Jitka; Szczerbińska, Katarzyna; Fialová, Daniela; van Hout, Hein P.J.; Joling, Karlijn J. (Journal of the American Medical Directors Association, 2025)