Social media (for example Facebook and YouTube) uses online and mobile technologies to allow individuals to participate in, comment on and create user-generated content. Twitter is a widely used social media platform that lets users post short publicly available text-based messages called tweets...

An important consideration when establishing priorities in health care is the likely effect that alternative allocations will have on the health-related quality of life (HRQoL) of the relevant population. This chapter considers some of the important issues surrounding the description and...