1. Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy The University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
2. Department of Chemistry, UNC College of Arts and Sciences The University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
3. Center for Nanotechnology in Drug Delivery, Eshelman School of Pharmacy The University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
4. Lineberger Comprehensive Cancer Center The University of North Carolina at Chapel Hill Chapel Hill North Carolina USA