?:authorAffiliation
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[\'Clinical Educational Department, Gansu Provincial Hospital, Lanzhou, China.\', \'School of Public Health, The University of Queensland, Herston, QLD, Australia.\', \'School of Nursing, Gansu University of Chinese Medicine, Lanzhou, China.\', \'Department of Human Resource, Gansu Provincial Hospital, Lanzhou, China.\', \'Geriatrics Department, Gansu Provincial Hospital, Lanzhou, China.\']
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