1. Centre for Oral Clinical Research Barts and The London School of Medicine and Dentistry, Queen Mary University of London London UK
2. Centro di Odontoiatria, Dipartimento di Medicina e Chirurgia Università di Parma Parma Italy
3. Centre for Host‐Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences Kings College London, Guy's Hospital London UK
4. Dipartimento di Statistica, Informatica, Applicazioni ‘G. Parenti’ (DiSIA) University of Florence Florence Italy