1. Institute for Gerontology, J.F. Oberlin University, Tokyo, Japan
2. School of Nursing, San Francisco State University, San Francisco, CA, USA
3. Wicking Dementia Research and Education Centre, University of Tasmania, Hobart, Australia
4. Deutsches Zentrum, für Neurodegenerative Erkrankungen Standort Witten e.V., Witten, Germany
5. Department of Nursing Science, Faculty of Health, Witten/Herdecke University, Witten, Germany