1. Department of Civil and Mechanical Engineering, Purdue University Fort Wayne, Fort Wayne, IN, USA
2. Department of Mechanical Engineering, School of Energy Systems, Lappeenranta-Lahti University of Technology, Lappeenranta, Finland
3. Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Hong Kong, Hong Kong
4. Department of Electrical and Computer Engineering, Mississippi State University, Starkville, MS, USA