1 Universidade Federal do Rio de Janeiro - Macaé (RJ), Brazil.
2 Hospital Santa Izabel - Cabo Frio (RJ), Brazil.
3 Hospital Nossa Senhora de Fátima - Patos de Minas (MG), Brazil.
4 Fundação Técnico-Educacional Souza Marques - Rio de Janeiro (RJ), Brazil.
5 Multivix Cachoeiro - Cachoeiro de Itapemirim (ES), Brazil.
6 Universidade de São Paulo, Hospital das Clínicas - São Paulo (SP), Brazil.
7 Medical University of Vienna, Department of Surgery, Division of Vascular Surgery - Vienna, Austria.
8 Vienna Universit y of Technology, Institute of Biomedical Electronics, Faculty of Electrical Engineering and Information Technology - Vienna, Austria.