Erratum to: Effects of platelet rich plasma (PRP) on human gingival fibroblast, osteoblast and periodontal ligament cell behaviour

Author details Department of Cranio-Maxillofacial Surgery, University Hospital, University of Bern, Bern, Switzerland. Department of Oral and Maxillofacial Surgery, School of Life Dentistry at Niigata, The Nippon Dental University, Niigata, Japan. Department of Oral Surgery, Clinical Dentistry, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan. Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland. Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Bern, Bern, Switzerland. Department of Periodontology, Semmelweis University, Budapest, Hungary. Department of Periodontology, College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, FL, USA. Cell Therapy Institute, Center for Collaborative Research, Nova Southeastern University, Fort Lauderdale, FL, USA.