| Affiliation: | 1. Anesthesiology and Perioperative Care Service, VA Palo Alto Health Care System, 3801 Miranda Avenue (112A), Palo Alto, CA 94304, USA;2. Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, 300 Pasteur Drive #H3580, Stanford, CA 94305, USA;1. University at Buffalo Department of Anesthesiology, 252 Farber Hall, 3435 Main Street, Buffalo, NY 14214, USA;2. Division of Pain Medicine, Department of Anesthesiology, Roswell Park Cancer Institute, Elm and Carlton Streets, Buffalo, NY 14263, USA |
