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Article History

Received: 12 November 2018

Accepted: 31 March 2019

First Online: 18 April 2019

Ethics approval and consent to participate

: The patients’ relatives and caregivers were informed about the study aims and gave their written consent to the use of the patients’ data, which have been always treated under condition of anonymity. All the experimental procedures were conducted according to the policies and ethical principles of the Declaration of Helsinki. The study was approved by the Ethics Committee of the University “Magna Graecia” of Catanzaro.

: Not Applicable.

: The authors declare that they have no competing interests.

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