[ASME ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis - Nantes, France (Monday 2 July 2012)] Volume 4: Advanced Manufacturing Processes; Biomedical Engineering; Multiscale Mechanics of Biological Tissues; Sciences, Engineering and Education; Multiphysics; Emerging Technologies for Inspection - Factors Influencing the Measurement and Reproducibility of Foot-to-Foot in Body Fat Analysers