Received: 22 June 2019
Accepted: 29 August 2019
First Online: 11 September 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the Ethics in Research Committee of the University of Extremadura (ref. 102/2007). This clinical practice observational study was performed in accordance with the ethical standards of the 1964 Declaration of Helsinki as revised in 2000 and those of Good Clinical Practice. All patients received a thorough explanation of this study, and informed consent to participate was obtained from the participants.
: The patients gave their oral and written informed consent to the publication of their anonymous and clustered data and anonymous pictures.
: The authors declare that they have no competing interests.