Text and Data Mining valid from 2018-07-18
Received: 5 June 2018
Accepted: 13 July 2018
First Online: 18 July 2018
Compliance with ethical standards
: The study was not funded and the software does not have a commercial use. Therefore, the authors declare no competing interests.
: The study protocol was approved by the hospital Universitario Fundación Alcorcón Ethic Committee (number 16/112, date January 12, 2017) and the study was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was obtained for using patient images.