1. Department
of Industrial and Management System Engineering, West Virginia University, Morgantown, West Virginia 26506, United States
2. Department
of Statistical Sciences and Operations Research, Richmond, Virginia 23284, United States
3. National
Institute for Occupational Safety and Health (NIOSH), Morgantown, West Virginia 26505, United States
4. Department
of Mechanical and Aerospace Engineering, West Virginia University, Morgantown, West Virginia 26506, United States