1. Department of Health Sciences, Unit of Global Health, University of Groningen, Groningen, The Netherlands
2. Health Insurance Organization, Nicosia, Cyprus
3. Pharmacoepidemiology-Pharmacovigilance, Pharmacy School, School of Sciences and Engineering, University of Nicosia, Nicosia, Cyprus Health Insurance Organization, Nicosia, Cyprus
4. Department of Economics, Econometrics and Finance, Faculty of Economics and Business, University of Groningen, Groningen, The Netherlands