1. Department of Biomedical Engineering, Pennsylvania State University, State College, Pennsylvania 16802, United States
2. Departamento de Ingeniería Mecánica, Universidad Nacional de Colombia, Cra 64C nro 73-120, 050024 Medellin, Colombia
3. Ken and Mary Alice Lindquist Department of Nuclear Engineering, Pennsylvania State University, State College, Pennsylvania 16802, United States
4. Department of Materials Science and Engineering, Pennsylvania State University, State College, Pennsylvania 16802, United States