1. Division
of Pharmacoengineering and Molecular Pharmaceutics and Center for
Nanotechnology in Drug Delivery, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
2. Murad
Research Center for Modernized Chinese Medicine, Institute of Interdisciplinary
Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, People’s Republic of China