1. Department of Biomedical Sciences, Baylor College of Dentistry Texas A&M University, 3302 Gaston Avenue, Dallas, Texas 75246, United States
2. Center
for Nanophase Materials Science, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
3. Department
of Orthopaedic Surgery, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas 75390, United States
4. Center
for Excellence in Hip Disorders, Texas Scottish Rite Hospital for Children, 2222 Welborn Street, Dallas, Texas 75219, United States
5. Department
of Materials Science and Engineering, University of Texas at Arlington, 501 West First Street, Arlington, Texas 76019, United States