| Affiliation: | 1. University of Colorado School of Medicine, 12401 East 17th Avenue, Campus Box B-113, Aurora, CO 80045, USA;2. Froedtert and Medical College of Wisconsin, 9200 Wisconsin Avenue, PO BOX 26099, Milwaukee, WI 53266, USA;1. University of Pittsburgh Medical Center, 3550 Terrace Street, Scaife Hall, Suite 600, Pittsburgh, PA 15213, USA;2. 200 West Arbor Drive, San Diego, CA 92103, USA;3. University of Pittsburgh Medical Center, 200 Lothrop Street, Suite C-200, Pittsburgh, PA 15213, USA;1. Department of Anesthesiology and Perioperative Medicine, Oregon Health and Science University, 3181 Southwest Sam Jackson Park Road, Mail Code-UH2, Portland, OR 97239, USA;2. Department of Neurosurgery, Washington University School of Medicine, 660 South Euclid Avenue, St Louis, MO 63110, USA;1. Department of Anesthesiology, Medical College of Wisconsin, 8701 West Watertown Plank Road, Milwaukee, WI 53132, USA;2. Department of Neurosurgery, Medical College of Wisconsin, 8701 West Watertown Plank Road, Milwaukee, WI 53132, USA |
