CONFLICT OF INTEREST STATEMENT There are no conflicts of interest to declare. Supporting Information Filename Description hed27535-sup-0001-Supinfo01.docxWord 2007 document , 14.5 KB Data S1. Skin and soft tissue assessment chart. hed27535-sup-0002-Supinfo02.docxWord 2007 document , 13.9 KB Data S2. Recommendations for the postoperative management of patients. hed27535-sup-0003-Supinfo03.docxWord 2007 document , 20.2 KB Data S3. Clavien–Dindo classification. REFERENCES 1, , .