1. Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care and Pain Medicine at the Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts.
2. Endocrine Unit of the Department of Medicine at the Massachusetts General Hospital and Harvard Medical School, Charlestown, Massachusetts.
3. Department of Molecular Pharmacology, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan.