Text and Data Mining valid from 2019-01-31
Received: 9 December 2018
Accepted: 19 January 2019
First Online: 31 January 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This study was approved by the TSCUH Research and Ethics Committee as a retrospective review (Reference 16.052). For this type of study, formal consent is not required. This article does not contain any studies with animals performed by any of the authors.