University Department of Geriatric Medicine, Groningen, Netherlands
University Medical Centre Groningen, Groningen, Netherlands
UMCG Groningen, Groningen, Netherlands
University Medical Center Groningen, Groningen, Netherlands
Deventer Ziekenhuis, Deventer, Netherlands
Dialysecentrum Tergooi, Hilversum, Netherlands
St. Jansdal ziekenhuis, Lelystad, Netherlands
Charité University Hospital, Berlin, Germany
Addenbrooke's Hospital, Cambridge, United Kingdom
Cliniques Universitaires Saint-Luc, Brussel, Belgium
UMCG, Groningen, Netherlands
Dept Oral and Maxillofacial Surgery UMCG, Groningen, Netherlands
MCL, Leeuwarden, Netherlands
University Medical Center Groningen, Groningen, Netherlands