Cross-cultural and cross-contextual adaptation
Owing to the number of target languages for questionnaire in the host trial, cross-cultural adaptation was initially performed in English language. Structured interviews were conducted with two to three research staff in each country, according to a template from the Social Research Association based on WillisThe topic guide was structured around four predefined categories (To check trustworthiness, one or two focus groups were then held with investigators from each country to review and discuss the thematic coding. The focus groups were held after the interviews had been completed to explore consensus and contrasting opinions between different stakeholders around themes emerging in the semistructured interviews. The overall objective was to obtain a single cross-culturally adapted questionnaire to move into cross-language adaptation