Text and Data Mining valid from 2019-11-09
Received: 5 February 2019
Accepted: 28 October 2019
First Online: 9 November 2019
Ethics approval and consent to participate
: This study was submitted to and approved by the Medical Research and Ethics Committee of Zuyderland Medical Centre and Zuyd University of Applied Sciences (Application number: 15-N-123). Data used in this study were already available and patients were not physically involved in the research. In addition, participant consent was not necessary as this study used de-identified data which was obtained as part of evaluation of patient care and which was confirmed by the Medical Research and Ethics Committee. In order to gain access to the data of health insurance company CZ, administrative permission was required. Therefore, health insurance company CZ and Maastricht University signed an agreement for data access.
: Not applicable.
: The authors declare that they have no competing interests.