“…Differences between health professionals, managers and user representatives in knowledge, language, culture, trust, time, resources, priority setting and power have been found to be important barriers towards involving user representatives (Haigh, 2008). Professional culture and norms could exclude service users from decision-making processes (Martin & Finn, 2011) and undermine the potential contribution of user representatives (Harding, Brown, Hayward & Pettinari, 2010). Organizational settings including both professionals and service user representatives also could become subject to external pressure on resources and effectiveness (Martin & Finn, 2011).…”