“…Generally speaking, all included studies demonstrate a strong believe that UDI in public health and social care is far more sustainable than innovations generated by a single institution. By focusing on the end-users, health and care recipients and professionals, UDI first unfolds welfare principles, such as empowerment and client self-determination (Humphreys, 2015;Lassen et al, 2015;Angelini et al, 2016); it also facilitates changes of culture of care, and organizational structure where top-down innovation process was dominate (Sugarhood et al, 2014;Wihlman et al, 2014;Luckock et al, 2017;Valaitis et al, 2017). Through involving different intermediate users, UDI brings closer cooperation among different health and social care stakeholders and facilitate the change of existing system for a better solution to addressed revealed challenges (Lindgren, 2013;Purkayastha et al, 2015;Savory and Fortune, 2015;Bugge et al, 2017).…”