| Affiliation: | Department of Electrical and Computer Engineering, College of Engineering, University of Illinois at Urbana-Champaign, 306B Engineering Hall, 1308 West Green Street, Urbana, IL 61801, USA ; Department of General Engineering, College of Engineering, University of Illinois at Urbana-Champaign, 117 Transportation Building, 104 South Mathews, Urbana, IL 61801, USA ; Department of Business Administration, College of Business, University of Illinois at Urbana-Champaign, 350 Wohlers Hall, 1206 South 6th Street, Champaign, IL 61820, USA |
