1. Inositol Signaling Group, Signal Transduction Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709, United States
2. Center for Integrative Chemical Biology and Drug Discovery, Division of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
3. Department of Pharmacology and Physiology, Saint Louis University School of Medicine, M370, Schwitalla Hall, 1402 South Grand Boulevard, Saint Louis, Missouri 63104, United States