Jordan Susanne, Ziese Thomas, von Rüden Ursula
Robert Koch Institute, Berlin, Department of Epidemiology and Health Monitoring.
Federal Centre for Health Education, Unit 2-25: Research, Quality Assurance, Cologne.
J Health Monit. 2018 May 16;3(Suppl 2):3-4. doi: 10.17886/RKI-GBE-2018-049. eCollection 2018 May.