Fig. 1. Flowchart of the literature search algorithm used for identifying and selecting studies for inclusion in this review.
Abbrevations: CADTH HTA, Canadian Agency for Drugs and Technologies in Health-Health Technology Assessment.
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.