Hochstrasser, Tanja
Frank, Hans-Georg
Schmitz, Christoph
Article History
Received: 13 November 2015
Accepted: 7 July 2016
First Online: 1 August 2016
Competing interests
: C.S. serves as paid consultant for and receives benefits from Electro Medical Systems, the manufacturer and distributor of the radial extracorporeal shock wave device, Swiss DolorClast. However, Electro Medical Systems had no any role in study design, data collection and analysis, decision to publish, or preparation of this manuscript and C.S. has not received any honoraria or consultancy fee in writing this manuscript. No other potential conflicts of interest relevant to this article were reported.