Received: 9 July 2018
Accepted: 22 May 2019
First Online: 30 May 2019
Ethics approval and consent to participate
: The authors declare that no experiments were performed on humans or animals for this study. The study was approved by the Ethics Committee of Cliniques universitaires St-Luc, Brussels, and was performed in accordance with the Declaration of Helsinki. They have followed the protocols of their work center on the publication of patient data. Patient consent was not obtained since all data were retrieved retrospectively from medical records without additional blood samples or biochemical analysis.
: Not applicable. The authors declare that no patient data (details, images or videos relating to individual participants) are included in this article.
: The authors declare that they have no competing interests.