1. Department of Cariology, Institute of Odontology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
2. Department of Preventive Dentistry, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
3. Department of Surgery, Microsurgery and Medicine, School of Dentistry, University of Sassari, Sassari, Italy
4. WHO Collaborating Center for Epidemiology and Preventive Dentistry, Milan, Italy
5. Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
6. Department of Prosthodontics, North Jeddah Speciality Dental Center, Jeddah, Saudi Arabia
7. Department of Pedodontics, Jeddah Speciality Dental Center, Jeddah, Saudi Arabia