All 114 residents were offered to participate (58 with unimpaired cognitive abilities, 56 with impaired cognitive abilities and subject to the signature of a family member), 63 signed an informed consent form.
Öllum 114 boðin þátttaka (58 með óskerta vitræna getu, 56 með skerta vitræna getu og háðir undirskrift aðstandenda), 63 skrifuðu undir upplýst samþykki.