1. Assistant Professor, Dept. of Civil Engineering, Lebanese American Univ., 211 East 46th St., New York, NY 10017 (corresponding author). ORCID: .
2. State Pavement Engineer, Alaska Dept. of Transportation and Public Facilities, 5800 East Tudor Rd., Anchorage, AK 99507.
3. Retired, Nordlysvænger 8, Helsingør DK 3000, Denmark; formerly, Per Ullidtz ApS, Gladsaxevej 342, Søborg DK 2860, Denmark.
4. Deceased December 22, 2018; formerly, Senior Engineering Advisor, Dynatest North America, Inc., 11415 Old Roswell Rd., Suite 100, Alpharetta, GA 30009.