Affiliation: | 1. Department of Geriatrics, Tangshan Gongren Hospital, Tangshan, Hebei, 063000, People’s Republic of China 2. Department of Cardiovascular Medicine, Tangshan Gongren Hospital, Tangshan, Hebei, 063000, People’s Republic of China 3. Department of Geriatrics, Tangshan Rehabilitation Hospital, Tangshan, Hebei, 063000, People’s Republic of China 4. Department of Diagnostic Ultrasound, Tangshan Rehabilitation Hospital, Tangshan, Hebei, 063000, People’s Republic of China 5. Department of Radiology, Tangshan Rehabilitation Hospital, Tangshan, Hebei, 063000, People’s Republic of China 6. Department of Infectious Diseases, Tangshan Gongren Hospital, Tangshan, Hebei, 063000, People’s Republic of China 7. Department of Emergency Medicine, Tangshan Gongren Hospital, Tangshan, Hebei, 063000, People’s Republic of China
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