Funding for this research was provided by:
Received: 28 November 2018
Accepted: 22 February 2019
First Online: 5 April 2019
Compliance with Ethical Standards
: Lisandro Farolch I Prats has received a grant from Allergan Laboratories for covering the editorial and medical writing services of this paper. Celeste Nome declares that she has no conflicts of interest to disclose.
: The ethical principles outlined in the Declaration of Helsinki and Good Clinical Practice were followed.
: Written informed consent was signed for all the patients.