Kuchenbecker, Ricardo de Souza, <span id="docs-internal-guid-d2d93ed3-7fff-1b1e-eb9a-70ff47d0a075">Prof. Dr Faculdade de Medicina, UFRGS<span id="docs-internal-guid-b978fd25-7fff-73e4-20de-7ef30ca2c63e">, Brasil