1. Department of Ophthalmology and Visual Sciences, and McPherson Eye Research Institute, University of Wisconsin School of Medicine and Public Health
2. Department of Materials Science and Engineering, Auburn University
3. Sector of Angiogenesis and Regenerative Surgery
4. Department of Restorative Sciences, Texas A&M University College of Dentistry
5. Bioscience Research Center, Health Science Center, College of Dentistry, University of Tennessee
6. Research Center for Pharmaceutical Nanotechnology and Department of Endodontics, Dental Faculty, Tabriz University (Medical Sciences)
7. Department of Ophthalmology and Visual Sciences, Biomedical Engineering, and McPherson Eye Research Institute, University of Wisconsin School of Medicine and Public Health