1
Published 2000
OECD Publishing

2
Published 2006
Federal Office of Public Health

3
Published 2004
Federal Ministry of Social Security, Generations and Consumer Protection

4
Published 2000
OECD Publishing

7
Published 2007
OECD Publishing

8
Published 2006
European Union

9
Published 2011
OECD Publishing

10
Published 2005
OECD Publishing

13
Published 2001
OECD Publishing

15
Published 2008
OECD Publishing

16
Published 2004
OECD Publishing

17
Published 2000
OECD Publishing