Affiliation: | 1. Department of Traumatology, Yantaishan Hospital, Yantai, 264025, Shandong Province, China 2. Department of Pediatric Orthopedics, Yantaishan Hospital, Yantai, 264025, Shandong Province, China 3. Department of Nursing, Yantaishan Hospital, Yantai, 264025, Shandong Province, China
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