1. Epstein Department of Industrial and Systems Engineering Department of Aerospace and Mechanical Engineering Viterbi School of Engineering University of Southern California 3715 McClintock Ave Los Angeles CA 90089‐01932 USA
2. Department of Biomedical Engineering Viterbi School of Engineering University of Southern California 3650 McClintock Ave Los Angeles CA 90089 USA
3. School of Materials Science and Engineering Central South University Changsha Hunan 410083 China
4. Department of Mechanical and Industrial Engineering The University of Iowa Iowa City IA 52242 USA
5. School of Power and Mechanical Engineering Wuhan University Wuhan 430072 China