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Giancarlo Lucchetti*, Alessandra Lamas G Lucchetti, Daniele Corcioli M Espinha, Leandro R de Oliveira, José R Leite and Harold G Koenig
* Corresponding author: Giancarlo Lucchetti g.lucchetti@yahoo.com.br
BMC Medical Education 2012, 12:78 doi:10.1186/1472-6920-12-78