[1
]
Department of Oral Health Sciences, KU Leuven Population Studies in Oral Health, Leuven,
Belgium.
[2
]
Centre for Care Research and Consultancy, KU Leuven LUCAS, Leuven, Belgium.
[3
]
Department of Public Health and Primary Care, KU Leuven Academic Centre for General
Practice, Leuven, Belgium.
[4
]
Department of Public Health and Primary Care, KU Leuven Biostatistics and Statistical
Bioinformatics Centre (L-BioStat), Leuven, Belgium.
[5
]
Department of Oral Health Sciences, Biomaterials/BIOMAT, Leuven, Belgium.