Editor’s Comments

Departments for Prosthetics and Orthotics, and Movement Analysis, Heidelberg University Hospital, Heidelberg, Germany Disclosure: The author declares no conflict of interest. Author states no funding was received. Correspondence to: Daniel Heitzmann, Dipl. Ing. (FH), Abteilung Bewegungsanalytik, Universitätsklinikum Heidelberg, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany; email: [email protected]