1. Department of Mechanical Engineering, University of South Florida, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
2. Department of Mechanical Engineering, California Polytechnic State University, 1 Grand Avenue, San Luis Obispo, California 93407, United States
3. Department of Biomedical Engineering, California Polytechnic State University, 1 Grand Avenue, San Luis Obispo, California 93407, United States
4. Department of Civil and Environmental Engineering, California Polytechnic State University, 1 Grand Avenue, San Luis Obispo, California 93407, United States
5. Sauvage Laboratory for Smart Materials, School of Integrated Circuit, Harbin Institute of Technology (Shenzhen), University Town of Shenzhen, Shenzhen, Guangdong 518055, China