 (January-February 2013) José O. Bruggemann Neto, M.D Florianópolis, Brazil |
 (June- December 2012) Rodrigo Amaral M.D. Sao Paulo - SP - Brazil |
 (March-June 2012) Jonatas Fernandez, MD Porto Alegre, RS, Brazil |
 (November, 2010) Babak Sharifi, MD Markham, ON, Canada |
 (January – June, 2010) Ricardo Acácio dos Santos, M.D. Instituto de Ortopedia e Traumatologia |
 (2007-2008) Daniel Oliveira, M.D. (April – June, 2008 Visiting Fellow) Belo Horizonte Hospital Belo Horizonte, Brazil |
 (April-September 2006) Juliano Lhamby, M.D. Santa Rita Hospital Sao Paulo-Brazil |
 (February 2005 - May 2005) Lee M. Breakwell, MB ChB MSc FRCS Royal Orthopaedic Hospital Birmingham , England , U.K. |
 (November 2001 – March 2002) Chatupon Chotigavanichaya, M.D. Siriraj Hospital , Mahidol University Bangkok , Thailand |
 (October 1994 - December 1994) Yasuyuki Fukui, M.D., Ph.D. Department of Orthopaedics Tokyo Senbai Hospital |