Department of Neurology;
Bong Seng Memorial Hospital;
Busan;
Department of Neurology;
Busan Medical Center;
Busan;
Department of Neurology;
Changwon Fatima Hospital;
Changwon;
Department of Neurology;
Dong-A University College of Medicine;
Dong-A University Medical Center;
Busan;
Department of Neurology;
Pusan National University Hospital;
Pusan National University School of Medicine and Medical Research Institute;
Busan;
Department of Neurology;
Wallace Memorial Baptist Hospital;
Busan;
Department of Preventive Medicine;
Dong-A University College of Medicine;
Busan;
Mild; Cognitive; Impairment; Alzheimer’s; Dementia; Neuropsychology; Conversion;