Recruitment {15}
RECRUITMENT
To enrol the required number of patients in the planned recruitment period, 13 trial sites will participate in this trial. The trial will be performed by the Clinical Trial Network of the German Society of Surgery (CHIR-Net, In order to minimise loss to follow-up, the following measures are being implemented:A pragmatic trial design with high-external validity, meaning that trial sites will have little problems to adapt their standard clinical workflow to the follow-up visitsFinancial reimbursement of travel costs for patients covering additional costs for trial-specific visitsAll trial sites are trained in performing surgical clinical trials (CHIR-Net) and have successfully participated in similar trialsOnly high-volume trial sites committing to include at least 10 patients per year will be chosen as trial sites.