Contact information submitting author:
C.J. van Ginkel, MD
Geert Grooteplein 10, P.O. Box 9101, route 267
6500 HB, Nijmegen, The Netherlands
E-mail: charlotte.jvanginkel@radboudumc.nl
Tel: +31243613735
Fax: +31243635121
Word count: 2225 (excl. abstract)
Acknowledgements This research was supported by an unrestrictive research grant from G. Pohl Boskamp GmbH & Co. KG, Hohenlockstedt, Germany.
Conflict of interest statement No disclosures
Data availability The data that support the findings of this study are available from the corresponding author upon reasonable request. Some data may not be made available because of privacy or ethical restrictions.