?:authorAffiliation
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[\'Department of Restorative, Preventive and Pediatric Dentistry, School of Dental Medicine, University of Bern, CH-3010 Bern, Switzerland.\', \'Department of Periodontology and Operative Dentistry, University Medical Center of the Johannes Gutenberg-University Mainz, 55131 Mainz, Germany.\', \'Swiss Dental Association SSO, CH-3000 Bern, Switzerland.\', \'Department of Medicine, Surgery and Experimental Sciences, School of Dentistry, University of Sassari, I-07100 Sassari, Italy.\', \'Faculty of Dentistry, Sechenov First Moscow State Medical University, Moscow 119991, Russia.\']
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