면담은 주요 질문에 대한 의견 제시로부터 시작하여 반응에 따른 연계질문이 이루어질 수 있는 반구조화된 면담을 실시하였다.
Semi-structured interviews, as well as interviews that started with the presentation of opinions on major questions, were conducted through linked questions that were asked based on responses.