This dissertation is within the Public Health Policy domain. I am requesting you assistance for completing the Literature review for the PROPOSAL. The Literature Review should summarize the body of available literature on research topic. Literature review should include a summary and evaluation of the current state of knowledge about this chosen area of research; to include categorizing specific themes that develop within the articles. I would like for this literature review to be prepared in a thematic style. Please organize the paragraphs in subsections that address different aspects of the topic, based upon the themes that are emerging.