1. The Richard and Hinda Rosenthal Center for Complementary & Alternative Medicine, Department of Rehabilitation Medicine, College of Physicians & Surgeons, Columbia University, New York, New York 10032, Department of Biological Science, Lehman College and The Graduate Center, City University of New York, Bronx, New York 10468, and State Key Laboratory of Phytochemistry and Plant Resource in West China, Kunming Institute of Botany, The Chinese Academy of Sciences, Kunming 650204, Yunnan, People's Republic...