Rees K, Takeda A, Martin N, Ellis L, Wijesekara D, Vepa A, Das A, Hartley L, Stranges S. Mediterranean-Style diet for the primary and secondary prevention of cardiovascular disease: a Cochrane Review. Glob Heart. 2020 Aug 12;15(1):56. doi: 10.5334/gh.853
Uthman OA, Hartley L, Rees K, Taylor F, Ebrahim S, Clarke A. Multiple risk factor interventions for primary prevention of CVD in LMIC: a Cochrane review. Glob Heart. 2017 Sep;12(3):199-208.e. doi: 10.1016/j.gheart.2016.03.639
McKenna S, Doward LC. Measuring quality of life in ankylosing spondylitis. Best Pract Res Clin Rheumatol. 2008 Jan 1;6(2):12-4.
Williams VSL. The "unbiased" anchor: bridging the gap between DIF and item bias. Appl Meas Educ. 1997;10(3):253-67. doi: 10.1207/s15324818ame1003_4