?:authorAffiliation
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[\'Al-Quds Medical Research Association, Faculty of Medicine, Al-Quds University, Jerusalem 510 00, Palestine.\', \'Department of Public Health, Masaryk University, 625 00 Brno, Czech Republic.\', \'Oral Health Research and Promotion Unit, Al-Quds University, Jerusalem 510 00, Palestine.\', \'Department of Oral and Maxillofacial Surgery, Justus-Liebig-University, 353 92 Giessen, Germany.\']
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