Authors are encouraged to use the relevant research reporting guidelines for the study. This will ensure that you provide enough information for editors, peer reviewers, and readers to understand how the research was performed and to judge whether the findings are likely to be reliable.
The essential reporting guidelines are:

• Randomized controlled trials (RCTs): CONSORT guidelines
• Systematic reviews and meta-analyses: PRISMA guidelines  
• Checklist of items that should be included in reports of cross-sectional studies
• Checklist of items that should be included in reports of case-control studies
• Checklist of items that should be included in reports of cohort studies
• Checklist of items that should be included in reports of observational studies
• Transparent reporting of systematic reviews and meta-analyses
• Diagnostic accuracy studies: STARD guidelines 
• Transparent Reporting of Evaluations with Non-randomised Designs: TREND guidelines
• Standards for Reporting Prognostic Tumor Marker Studies: REMARK guidelines

Consolidated criteria for reporting qualitative research: COREQ Research checklists should be uploaded using the File Designation.