Funding for this research was provided by:
Natural Resources Canada
Animal and Plant Health Inspection Service
U.S. Forest Service
Canadian Food Inspection Agency
Article History
Received: 17 February 2018
Revised: 30 May 2018
Accepted: 16 June 2018
First Online: 29 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.