Pengarang: G. Michael Harper

Andrew G. Lee Houston Methodist Hospital Chair, Department of Ophthalmology Professor of Ophthalmology, Neurology and Neurosurgery Professor of Ophthalmology, Weill Cornell Medical College New York, NY USA Jane F. Potter Professor of Medicine Division of Geriatrics, Gerontology and Palliative Care Home Instead Center for Successful Aging University of Nebraska Medical Center Omaha, NE USA   G. Michael Harper Professor of Medicine Division of Geriatrics University of California, San Francisco School of Medicine Staff Physician, San Francisco VA Health Care System San Francisco, CA USA