Review

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Comments on the IPCHAIN ​​database and the goals to be achieved through the project, comments on the white paper, comments on the sales of the tokens, comments on the project as a whole, comments from the team and partners, animating the role of the IPCHAIN ​​database, and description or interpretation of the IPCHAIN ​​database Use case We welcome users of unpopular YouTube channels to send high quality video. If the video quality is high, use it on social channels. In this case, you can award quality video to quality bets of up to 50 bets.

Literature review literature review is a summary of existing research on the subject under investigation. Discuss five quality peer-reviewed references related to your research project. In many cases, literature review provides evidence on the review of studies that have not yet been completed with the selected variable type and completed research and selected background and research questions. The data obtained are analyzed statistically properly. Only the relevant output is included, and the results are displayed in an easy-to-see way. The authors clearly explain the results, how to solve research problems and assumptions, and the meaning of these questions.

A systematic review is a literature review that uses a systematic approach to collect secondary data, critically evaluate the research, and perform comprehensive research. In the systematic review, we will develop a wide range of narrow research subjects and identify and directly comprehend research directly related to systematic review. They are intended to provide a complete and comprehensive summary of current evidence related to research questions. A systematic review of randomized controlled trials is the key to evidence-based medical practice, and review of existing research is usually faster and less expensive than conducting new research.

Evaluation agreement is registered with PROSPERO (ID: CRD 42017056487). Evaluation was based on a systematic review guide for meta-analysis and observational research and a preferred reporting project for systematic meta-analysis guidelines. A literature search was conducted on all the studies published in English between January 1, 1996 and February 3, 2017. Search databases include Cochrane Library, Medical Literature Analysis and Online Search Systems, PROSPERO, PsycINFO, PubMed, and Scopus. Further searches were done at sources of health promotion (eg, Canada health evidence), specific thematic places (eg, American suicide association), and meta search engines (Google). Further investigation of gray literature by implementation of unreported or ongoing research by experts in this field