1. Universidade Federal do Rio de Janeiro, Brazil; Hospital Santa Izabel, Brazil
2. Hospital Nossa Senhora de Fátima, Brazil
3. Fundação Técnico-Educacional Souza Marques, Brazil
4. Hospital Santa Izabel, Brazil
5. Multivix Cachoeiro, Brazil
6. Universidade de São Paulo, Brazil
7. Medical University of Vienna, Austria
8. Vienna Universit y of Technology, Austria