?:authorAffiliation
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[\'Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA; Surgery Service, Veterans Affairs Medical Center, Baltimore, MD, USA. Electronic address: blal@som.umaryland.edu.\', \'Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA; Surgery Service, Veterans Affairs Medical Center, Baltimore, MD, USA.\', \'Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA.\', \'Surgery Service, Veterans Affairs Medical Center, Baltimore, MD, USA.\', \'Geriatrics Research, Education, and Clinical Center, Veterans Affairs Medical Center, Baltimore, MD, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA.\']
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