1. Section of Hygiene, University Department of Health Sciences and Public Health, Università Cattolica del Sacro Cuore, Rome, Italy
2. Department of Woman and Child Health and Public Health, Public Health Area, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
3. Stanford Prevention Research Center, Department of Medicine, School of Medicine, Stanford University, Stanford, California
4. Meta-Research Innovation Center at Stanford (METRICS), Stanford, California