Funding for this research was provided by:
Received: 14 April 2020
Accepted: 17 January 2021
First Online: 26 January 2021
Ethics approval and consent to participate
: This study was conducted in accordance with the ethical principles outlined in the Declaration of Helsinki. The study protocol was approved by the local research ethics board of the medical faculty of the University Magdeburg (REB#: 08/16). Prior to inclusion in the study, written informed consent was obtained from all participants or their legal representatives (in case of incapability) after they were explained details about the standardized surgical procedure, 4DryField® PH, randomization procedure, and postoperative assessments. The trial was retrospectively registered on 11/06/2019 in the German Clinical Trials Register (registration number: DRKS00017452).
: Written consent for publication was obtained from patients shown in Fig. InternalRef removed.
: The polysaccharide 4DryField® PH used in this study was a gift by PlantTec Medical, Bleckeder Landstraße 22, 21337 Lüneburg, Germany. Other than this, there were no conflicts of interest.