Funding for this research was provided by:
CONACYT (288099 INFR-2016-1, ITSTB 694, 594786)
Text and Data Mining valid from 2019-01-18
Received: 30 August 2018
Accepted: 11 January 2019
First Online: 18 January 2019
Compliance with ethical standards
: On behalf of all authors, the corresponding author states that there are no conflicts of interest.