1. Department of Neuroscience and Rehabilitation, Section of Medical Biochemistry, Molecular Biology and Genetics University of Ferrara Ferrara Italy
2. School of Epidemiology and Public Health University of Ottawa Ottawa Ontario Canada
3. Craniofacial Development at the World Health Organization–Collaborating Centre for Oral and Craniofacial Research, Dental Hospital and School University of Dundee Dundee, Scotland United Kingdom
4. Department of Oral Pathology, Radiology and Medicine, College of Dentistry University of Iowa Iowa City Iowa USA
5. Smile House, Operation Smile, Regional Centre for Orofacial Clefts and Craniofacial Anomalies, Department of Cranio‐Maxillo‐Facial Surgery San Paolo Hospital, University of Milan Milan Italy