FIGURE 1.
Flowchart of study design. 3D, three‐dimensional; LUMC, Leiden University Medical Center; n, number of participants; Radboudumc, Radboud University Medical Center
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.