a The Cutometer is a device manufactured by Courage & Khazaka.
b Phenion is a registered trademark of Phenion GmbH & Co KG.
c The Torquemeter, and
d the Ballistometer are devices manufactured by Diastron Ltd.
e The Aeroflexmeter is a device developed by Sederma.
f Image software is manufactured by the National Institutes of Health.