0120-5633 0120-5633 S0120-56332016000500344 10.1016/j.rccar.2016.09.002 Colombia 00 10 2016 00 10 2016 23 5 344 345 2016 23 23 293--300 2010 10 10 345-52 2013 2222---30 2006 10 10 186---97 1991 6 6 18---20 2010 592---601