“…Studies were conducted in Europe (n ¼ 5) (Burton et al, 1995;Marchioro et al, 1996;McArdle et al, 1996;Moynihan et al, 1998;Kuijer et al, 2004), the United States of America (n ¼ 8) (Evans and Connis, 1995;Sandgren et al, 2000;Antoni et al, 2001;Classen et al, 2001;Rawl et al, 2002;Winzelberg et al, 2003;Given et al, 2004;Weber et al, 2004) Canada (n ¼ 1) (Goodwin et al, 2001), Australia (n ¼ 3) (Edelman et al, 1999;McLachlan et al, 2001;Petersen and Quinlivan, 2002) and Japan (n ¼ 1) (Fukui et al, 2000). The mean sample size in the intervention and control group was 61 patients (range 15 -296) and 52 patients (range 15 -154), respectively.…”