- Correspondence to Dr Sarah Szepetowski, Pediatric Oncology, Hôpital de la Timone, Marseille, Provence-Alpes-Côte d'Azur, France;
- Received October 20, 2020
- Revision received December 10, 2020
- Accepted December 18, 2020
- First published January 15, 2021.
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