Author response image 1. PCA on 40 geometric mean standardized variables (MT1, MT5, PP4, talus, cuboid).
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.