*Internationality
Morris, John N, Declercq, Anja, Hirdes, John P, Finne-Soveri, Harriet, Fries, Brant E, James, Mary L, Geffen, Leon, Kehyayan, Vahe, Saks, Kai, Szczerbińska, Katarzyna 2018. Hearing the voice of the resident in long-term care facilities—An internationally based approach to assessing quality of life. Journal of the American Medical Directors Association. 19 (3) 207-215.