1. Hermanson & Associates, LLC, 2000 W 53rd Street, Minneapolis, Minnesota 55419, United States
2. Norwegian Polar Institute, Fram Center, , N-9296 Tromsø, Norway
3. Department of Engineering Cybernetics, Norwegian University of Science & Technology (NTNU), O. S. Bragstads plass 2D, NO-7034 Trondheim, Norway
4. Environment and Climate Change Canada, 867 Lakeshore Road, Burlington, Ontario L7S 1A1, Canada