[1] Sci Directorate Epidemiol & Publ Hlth Sciensano, Brussels, Belgium
[2] Fed Agcy Med & Hlth Prod, DG Post Authorisat, Brussels, Belgium
[3] Univ Libre Bruxelles, Fac Pharm, Unit Pharmacol Pharmacotherapy & Pharmaceut Care, Brussels, Belgium
[4] Univ Antwerp, Dept Sociol, Antwerp, Belgium
[5] Univ Libre Bruxelles, Fac Pharm, RD3 Pharmacognosy Bioanal & Drug Discovery, Brussels, Belgium
[6] Univ Antwerp, Unit Epidemiol & Social Med, Antwerp, Belgium
[7] Univ Namur, Fac Med, Namur, Belgium
[8] Univ Namur, Namur Res Inst Life Sci, Dept Biomed Sci, Namur, Belgium