Preliminary validation study of the Mindset4Dementia application: assessing remote collection of dementia risk factors and cognitive performance. Issue 4 (17th September 2021) - Rifkin-Zybutz, Raphael; Selim, Hamzah; Johal, Monika; Kuleindiren, Narayan; Palmon, Itai; Lin, Aaron; Yu, Yizhou; Mahmud, Mohammad