Grange F, Mohr P, Harries M, Ehness R, Benjamin L, Siakpere O, Barth J, Stapelkamp C, Pfersch S, McLeod LD, Kaye JA, Wolowacz S, Kontoudis I. Economic burden of advanced melanoma in France, Germany, and the UK: a retrospective observational study (Melanoma Burden-of-Illness Study). Melanoma Res. 2017 Dec;27(6):607-18. doi: 10.1097/CMR.0000000000000372
McKenna SP, Whalley D, Doward LC. Which outcomes are important in schizophrenia? Int J Methods Psychiatr Res. 2000;9(1):S58-67.