Hoekman, Ellen J. http://orcid.org/0000-0002-7108-3232
Knoester, Dan
Peters, Alexander A. W.
Jansen, Frank W.
de Kroon, Cornelis D.
Hilders, Carina G. J. M.
Article History
Received: 7 March 2018
Accepted: 22 August 2018
First Online: 14 September 2018
Compliance with ethical standards
:
: The authors declare no competing interests; all have read and approved the manuscript and agreed to its submission. The manuscript is an original work and not under consideration for publication elsewhere. The guidelines of the STROBE statement have been followed in the preparation of the manuscript.
: We used data from official medical records and all participants were anonymous.