Affiliation: | 1. Division of Medical Toxicology, Department of Emergency Medicine, University of California, Davis, Sacramento, CA;2. Veterans Affairs Northern California, Mather, CA;3. Division of Laboratory Medicine, University of California, San Francisco, San Francisco, CA;4. University of California San Francisco School of Medicine, San Francisco, CA;5. Division of Pulmonary and Critical Care, University of California, Davis, Patient Services Support Building, Sacramento, CA |