Funding for this research was provided by:
Consejo Nacional de Ciencia y Tecnología (MX) (240094)
Engineering and Physical Sciences Research Council (EP/K031546/1)
Centre of Excellence in Medical Engineering (WT 088641/Z/09/Z)
European Union Seventh Framework Programme (N0 301214)
Consejo Nacional de Ciencia y Tecnología (MX) (83149, 219584)