Text and Data Mining valid from 2019-09-16
Received: 9 March 2019
Accepted: 16 August 2019
First Online: 16 September 2019
Ethics approval and consent to participate
: The local Human Subjects Committee of the VUmc approved the study (METc 16/128), and written informed consent was obtained from all participants.
: The data sets used and/or analysed during this study are available from the corresponding author on reasonable request.
: The authors declare that they have no competing interests.