Lighthouse Trust, Lilongwe, Malawi
CIDRZ, Lusaka, Zambia
University of Bern, Bern, Switzerland
Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland
University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
Department of Periodontology, University of Bern, Bern, Switzerland
Department of Periodontology, Bern, Switzerland
Memory Clinic Zentralschweiz, Luzern, Switzerland
University Hospital of Old Age Psychiatry and Psychotherapy, Bern, Switzerland
Community Health Center, Dental Service,, Padum Chak, India
Universität Bern, Bern, Switzerland
University of Bern, Bern, Switzerland