1. German Center for Neurodegenerative Diseases (DZNE) e.V. Site Rostock/Greifswald Translational Health Care Research Greifswald Germany
2. Section Epidemiology of Health Care and Community Health Institute for Community Medicine University Medicine Greifswald Greifswald Germany
3. Department of Nursing and Management Faculty of Business & Social Science University of Applied Science Hamburg (HAW) Hamburg Germany
4. Institute for General Practice University Medical Center Rostock Rostock Germany
5. Section Methods in Community Medicine Institute for Community Medicine University Medicine Greifswald Greifswald Germany
6. Department of Health, Nursing and Management University of Applied Science Neubrandenburg Neubrandenburg Germany