Funding for this research was provided by:
European Commission, Myoage (223576)
Article History
Received: 9 December 2018
Accepted: 11 June 2019
First Online: 2 August 2019
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: The study adhered to the Human Rights as described in the Declaration of Helsinki.
: The authors wish to state that the research conducted within this article was independent and impartial. All participants voluntarily took part in the study after providing informed consent and assurance was given of confidentiality and anonymity.