1. Engineering Science and Mechanics Department; Penn State University; University Park PA USA
2. The Huck Institutes of the Life Sciences, Penn State University; University Park PA USA
3. Department of Preventive Medicine; USC Keck School of Medicine; Los Angeles CA USA
4. Department of Mechanical Engineering; National University of Singapore; Singapore Singapore
5. National University of Singapore (Suzhou) Research Institute, Suzhou Industrial Park; Suzhou China