1. School of Environmental and Forest Sciences, University of Washington, Anderson Hall, West Stevens Way NE, Seattle, WA, USA
2. Ministry of Forests, Lands, Natural Resource Operations and Rural Development, Fish and Wildlife, Borland St, Williams Lake, BC, Canada
3. California Department of Fish and Wildlife, Nimbus Rd., Suite D, Rancho Cordova, CA, USA
4. Colorado Parks & Wildlife, Fort Collins, CO, USA