2.1 Search strategy
This current meta-analysis was carried out according to the Preferred
Reporting Items for Systematic reviews and Meta-analysis (PRISMA)
statement.17 Relevant literature was retrieved from
Web of Science, PubMed, Scopus, and Science Direct search engines up to
June 30, 2020. Our search strategy included the following terms:
(“Novel coronavirus 2019”, “2019 nCoV”, “COVID-19”, “Wuhan
coronavirus,” “Wuhan pneumonia,” or “SARS-CoV-2”) and
(“Kawasaki-like disease”, “Kawasaki disease”, “Kawasaki syndrome”,
“multisystem inflammatory syndrome”, “pediatric inflammatory
syndrome”, or “pediatric inflammatory, multisystem syndrome”).
Besides, we manually screened out the relevant potential article in the
references selected. The above process was performed independently by
three participants.