For this Mixed Methods research study in this link:

https://bmcpublichealth.biomedcentral.com/articles/10.1186/s12889-019-6901-3

please explain the following:

The research problem (Gap in the literature that study is addressing)

Theoretical Framework(s) and/or model (s)

Research Questions

Data Collection Methods

Data Analysis Methods:

Briefly describe the public health issue concerning this qualitative research article.

Mixed Methods Research

Identify the title, research problem, theoretical/conceptual framework and/or model, research question(s), data collection, and data analysis methods.