Perivoliotis, K.
Tzovaras, G.
Sarakatsianou, C.
Baloyiannis, I. http://orcid.org/0000-0002-6050-3000
Article History
Received: 2 August 2018
Accepted: 30 December 2018
First Online: 7 January 2019
Compliance with ethical standards
:
: KP declares no conflict of interest, GT declares no conflict of interest, CS declares no conflict of interest, IB declares no conflict of interest.
: Approval from the institutional review board was not required for this type of study.
: This article is a systematic review and meta-analysis and it contains data collected through literature review. It does not include research directly involving human or animal participation.
: For this type of study, informed consent was not necessary.