1870-3453 1870-3453 S1870-34532016000401387 10.1016/j.rmb.2016.09.007 Ecuador Ecuador 00 12 2016 00 12 2016 87 4 1387 1390

2013 143 174-83 2010 16 3-15 2005 2000 8 299-344 2012 20 39-48 2007 9-27 2013 2012 80 1246-66 2014 R Development Core Team 2012 2014 94 1501-7 2009 35 369-88 2008 24-53 2015 2 1-10 2011 91 95-102