Article History
Received: 27 April 2020
Revised: 27 July 2020
Accepted: 28 July 2020
First Online: 5 August 2020
Compliance with ethical standards
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: Dr. Dietmar Rosenthal and Dr. Sara Samadzadeh have nothing to declare, Prof. Harald Hefter is a consultant and speaker for Merz, Ipsen, and Allergan. This study has been supported by a restricted grant of the Inge-Diesbach Stiftung to prof. Harald Hefter. We would like to thank C. Fremersdorf for the extraction of the clinical relevant data from the ACCESS® data bank and the transfer into an EXEL® file for the final statistical analysis.
: The local ethics committee of the University of Düsseldorf allows publication of anonymized clinical data retrospectively extracted from patients’ charts.
: All participants gave informed consent to participate in all studies run by University Hospital Duesseldorf. And they also gave informed consent for publication any research work from their data.