Yoneva, Aneta
Kuchta, Roman
Mariaux, Jean
Georgiev, Boyko B.
Funding for this research was provided by:
National Science Foundation (0818696)
National Science Foundation (0818823)
Bulgarian National Science Fund (DOO2-15/17.02.2009)
Article History
Received: 26 September 2016
Accepted: 12 October 2016
First Online: 28 October 2016
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All applicable international, national and institutional guidelines for the care and use of animals were followed.