Article History
Received: 22 October 2017
Accepted: 16 October 2018
First Online: 29 October 2018
Ethics approval and consent to participate
: The Regional Ethical Review Board in Lund, Sweden, waived the need for ethics approval (DNR 2013/656). The study was conducted in accordance with the Helsinki Declaration of 1975 as revised in 2000. An oral and written consent to participate was obtained from all patients.
: The patient in Fig. provided oral and written consent for publication.
: IA was a member of an expert group on Dupuytren disease for Pfizer in 2012 and participated in meetings organized by Sobi. JN and SB have no competing interests to declare.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.