Selection tool alpha-fetoprotein for patients waiting for liver transplantation: How to easily manage a fractal algorithm

Figure 1 Some examples of systems with chaotic behaviour. A: Annual gross domestic product (GDP) growth of Italy in the last 35 years (%) (from: http://thenextrecession.wordpress.com/2013/08/05/greece-still-bust-spain-depressed-italy-paralysed/); B: Atmospheric temperature from 1979 to 2010, determined by NASA satellites (from: http://earthobservatory.nasa.gov/Features/GlobalWarming/images/msu_1978-2010.png); C: Hypothetical patients’ alpha-fetoprotein fluctuation during his waiting list period before liver transplantation.