1. Mechanical Engineering, University of Wisconsin – Madison, Madison, WI 60085
2. Mechanical and Materials Engineering, Queen's University, Kingston, ON K7L 3N6, Canada
3. Mechanical Engineering, University of Wisconsin – Madison, Madison, WI 60085; Department of Mechanical and Materials Engineering, Queen's University, McLaughlin Hall, 130 Stuart St., Room 303B, Kingston, ON K7L 3N6, Canada