Feasibility objectives are as follows : a ) To establish and field test procedures for implementing the problem-solving intervention ; b ) To determine the feasibility and best method of participant recruitment and follow up ; c ) To assess therapeutic delivery ; d ) To assess the feasibility of obtaining the definitive trial 's primary and secondary outcomes ; e ) To assess the perceived burden and acceptability of obtaining the trial 's self-reported outcome data ; f ) To inform the sample size calculation for the definitive trial .