Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
PMC full text:
Spine (Phila Pa 1976). Author manuscript; available in PMC 2023 Feb 15.
Published in final edited form as:
Spine (Phila Pa 1976). 2022 Feb 15; 47(4): E142–E148.

Figure 1.

Study Timeline: Cohort Assembly and Outcomes Measurement