1. NHS Leadership Academy. First impressions count. 2014. Available at:
http://www.leadershipacademy.nhs.uk/blog/first-impressions-count/
(accessed 22 February 2017)
2. NHS Institute for Innovation and Improvement. The 15 steps challenge. Quality from a patient's perspective. Part of the Productive Care resources for clinic and outpatient settings. 2013. Available at:
https://www.qualitasconsortium.com/index.cfm/programs-services/15-steps/15-steps-for-clinic-and-outpatient-settings/the-15-steps-challenge-toolkit/
(accessed 22 February 2017).
3. Pilcher J D . Manheim's Sociology of Generations: An Undervalued Legacy. Br J Sociology 1994; 45: 481–495.
4. Strauss W, Howe N . Generations: The history of America's future, 1584 to 2069. New York: Quill/William/Morrow, 1991.
5. Makoul G, Zick A, Green M . An evidence-based perspective on greetings in medical encounters. Arch Intern Med 2007; 167: 1172–1176.