1. Applied Mechanics of Materials Laboratory; Department of Mechanical Engineering; Temple University; 1947 North 12th Street Philadelphia PA 19122 USA
2. School of Biomedical Engineering Science and Health Systems; Drexel University; Philadelphia PA 19104 USA
3. Department of Mechanical Engineering; Temple University; 1947 North 12th Street Philadelphia PA 19122 USA
4. Department of Materials Science and Engineering; University of Pennsylvania; 3231 Walnut Street Philadelphia PA 19104 USA