- Correspondence to Dr Angelo Ravelli, Clinica Pediatrica e Reumatologia, IRCCS Istituto Giannina Gaslini, Via G. Gaslini 5, Genova 16147, Italy;
- Received June 10, 2020
- Accepted June 13, 2020
- First published June 22, 2020.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.