Connectome Workbench Requirement
This function uses a system wrapper for the 'wb_command' executable. The
user must first download and install the Connectome Workbench, available
from https://www.humanconnectome.org/software/get-connectome-workbench .
wb_path argument is the full file path to the Connectome
Workbench folder. (The full file path to the 'wb_cmd' executable also