- Correspondence to Dr Luc Joyeux, Academic Department Development and Regeneration, Cluster Woman and Child, Biomedical Sciences, Faculty of Medicine, Catholic University of Leuven, Leuven 3000, Belgium;
- Received March 12, 2018
- Revised June 20, 2018
- Accepted June 21, 2018
- First published July 13, 2018.
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