Received: 20 September 2017
Accepted: 17 January 2018
First Online: 24 January 2018
Ethics approval and consent to participate
: All patients were informed and signed the proper informed consent. This work was in accordance with Helsinki declaration and was approved by Ethical Boards of Hospital Universitario Reina Sofia de Córdoba (Spain) and Hospital e Maternidade São Francisco de Assis, Crato (Brasil).
: Non applicable
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