Author Bios



Keith B. McCollister, MD; Brian D. Hopper, MD; and Michelle A. Michel, MD

Keith B. McCollister, MD; Brian D. Hopper, MD; and Michelle A. Michel, MD

Dr. McCollister is a radiologist at X-Ray Consultants, Inc. in South Bend, IN. Dr. Hopper and Dr. Michel are radiologists at the Medical College of Wisconsin, Milwaukee, WI.

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