1 Department of Plastic, Reconstructive and Maxillo-Facial Surgery, Portugal; Burn Unity, Centro Hospitalar de São João, Porto Medical School, 4202-451 Porto, Portugal. Electronic address: ricardojmhorta@gmail.com.
2 Department of Plastic, Reconstructive and Maxillo-Facial Surgery, Portugal; Burn Unity, Centro Hospitalar de São João, Porto Medical School, 4202-451 Porto, Portugal.
3 LABIOMEP - Porto Biomechanics Laboratory, Portugal.
4 Faculty of Sciences, University of Porto Institute of Telecommunications, Porto Interactive Center, Portugal.