Consistent with the objectives of assessing the feasibility of trial design and procedures for a potential larger scale trial we will measure the following outcomes : a ) feasibility of patient recruitment ( recruitment and refusal rates ) ; ( b ) feasibility and acceptability of data collection procedures ; ( c ) levels of attrition ; ( d ) likely intervention effect size ; ( e ) variability in number , length and frequency of support sessions estimated to bring about recovery ; and ( f ) acceptability of the intervention .