- Correspondence to Dr Corrado Campochiaro, Università Vita-Salute San Raffaele, School of Medicine; Unit of Immunology, Rheumatology, Allergy and Rare Diseases, San Raffaele Hospital, Milano 20132, Italy;
- Received April 16, 2020
- Revised April 22, 2020
- Accepted April 23, 2020
- First published April 28, 2020.
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