Head of the department Public Health and Primary Care, and professor of General Practice at Leiden University Medical Center.

Head of the department of General Practice at Erasmus MC in Rotterdam.

Head of the department of General Practice and professor at Maastricht University.

Head of the department of General Practice and professor at the University Medical Center Utrecht.

Head of the department of General Practice and Elderly Care at the University Medical Centre Groningen.

Professor and head of the department of General Practice at Amsterdam University Medical Center.

Professor and head of the department of General Practice at the Radboud University Medical Center.