Volume 49, Issue 6, Pages 1051-1057 (June 2006)
José Miguel Giménez-Bachs, Antonio S. Salinas-Sánchez, Francisco Sánchez-Sánchez, Juan G. Lorenzo-Romero, María José Donate-Moreno, Héctor Pastor-Navarro, Dolores C. García-Olmo, Julio Escribano-Martínez, Julio A. Virseda-Rodríguez
Accepted 20 October 2005 published online 19 December 2005.
Editorial Comment by H. Van der Poel
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