1. Civil Engineering Department, College of Engineering, University of Alaska Anchorage, Anchorage, Alaska 99508, United States
2. Natural Resources and Environment, University of Alaska Fairbanks, Fairbanks, Alaska 99775, United States
3. Department of Health Science, College of Health, University of Alaska Anchorage, Anchorage, Alaska 99508, United States
4. Department of Civil, Geological and Environmental Engineering, College of Engineering and Mines, University of Alaska Fairbanks, Fairbanks, Alaska 99775, United States