1. Professor, Department of Public Health; University of Helsinki; National Public Health Institute; Helsinki Finland
2. Danube University of Krems; Krems Austria
3. King Abdulaziz University; Jeddah Saudi Arabia
4. Professor, Lithuanian University of Health Sciences; Kaunas Lithuania
5. Adjunct Professor, Department of Public Health; University of Helsinki; Helsinki Finland
6. Chief Physician; Danube University of Krems; Krems Austria