Funding for this research was provided by:
United States - Israel Binational Agricultural Research and Development Fund (IS-4704-14)
EU COST Action FA1202 (CGAFA1202)
Received: 17 December 2017
Revised: 25 February 2018
Accepted: 27 February 2018
First Online: 13 March 2018
Compliance with ethical standards
: The authors declare that they have no competing interests.
: This article does not contain any studies with human participants or animals performed by any of the authors.