Updates are available Correction dated 2021-01-07

Article History

Received: 23 October 2019

Accepted: 12 March 2020

First Online: 19 March 2020

Change Date: 7 January 2021

Change Type: Correction

Change Details: In the original publication of the article, Table 1 was published incorrectly. The corrected Table 1 is given below:

Compliance with ethical standards

:

: The authors declare that they have no conflict of interest.

: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of retrospective study, formal consent is not required. The ethics committee of the University Hospitals Leuven approved the study.