Author Contributions
Concept/idea/research design: R. Arensman, C.J.J. Kloek, R.W.J.G. Ostelo, C. Veenhof, T. Koppenaal, M.F. PistersWriting: R. Arensman, M.W. Heymans, C.J.J. KloekData collection: R. Arensman, T. KoppenaalData analysis: R. Arensman, M.W. Heymans, M.F. PistersProject management: R. Arensman, C.J.J. Kloek, T. Koppenaal, M.F. PistersFund procurement: M.F. Pisters, C. VeenhofProviding facilities/equipment: C. Veenhof, M.F. PistersProviding institutional liaisons: C. Veenhof, M.F. PistersConsultation (including review of manuscript before submitting): R. Arensman, M.W. Heymans, C.J.J. Kloek, R.W.J.G. Ostelo, C. Veenhof, T. Koppenaal, M.F. Pisters