Additional file 1 of Correction of symbrachydactyly: a systematic review of surgical options

Additional file 1: Supplement 1. Literature search strings. Supplement 2. The Modified Coleman Methodology Score of the included studies. Supplement 3.Certainty of evidence assessment based of GRADE. Supplement Table 1.  Function, aesthetic and lengthening outcome measurements in non-vascularized transfers. Supplement Table 2. Function, aesthetic and lengthening outcome measurements in vascularized transfers. Supplement Table 3.  Function, aesthetic and lengthening outcome measurements in distraction osteogenesis and web syndactyly release. Supplement Table 4. Hand complications in distraction osteogenesis and web release. Supplement 5. Completed PRISMA Checklist.