Table 1.
Timeline for protocol and scoping review
| 2017 | 2018 | ||||||||
| June | July | August | September | October | November | December | January | February | |
| Writing protocol | |||||||||
| Search | |||||||||
| Screening | |||||||||
| Analysis | |||||||||
| Reporting | |||||||||
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.