?:authorAffiliation
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[\'Department of Conservative Dentistry, Warsaw Medical University, 02-097 Warsaw, Poland.\', \'Department of Comprehensive Dentistry, Warsaw Medical University, 02-097 Warsaw, Poland.\', \'Central Clinical Hospital of the Ministry of Interior and Administration in Warsaw, 02-507 Warsaw, Poland.\', \'The Main School of Fire Service, 01-629 Warsaw, Poland.\']
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