1. College of Pharmacy, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
2. Department of Chemical & Biological Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
3. Department of Materials Science & Engineering, Chemistry, Biomedical Engineering, Medicine, and Simpson Querrey Institute, Northwestern University, Evanston, Illinois 60208, United States
4. Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas, INIFTA-CONICET-UNLP, La Plata 1900, Argentina
5. ALBA Synchrotron Light Source, Experiments Division, 08290 Cerdanyola del Vallès, Spain
6. Center for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Donostia 20014, San Sebastián, Spain
7. Department of Anatomy and Physiology, Kansas State University, Manhattan, Kansas 66506, United States
8. Centro de Fisica de Materiales (CFM), CSIC-UPV/EHU, Donostia 20018, San Sebastián, Spain