Identifying distinct phenotypes of patients with juvenile systemic lupus erythematosus: results from a cluster analysis by the Egyptian college of rheumatology (ECR) study group - Hammam, Nevin; Gheita, Tamer A; Bakhiet, Ali; Mahmoud, Mohamed Bakry; Owaidy, Rasha El; Nabi, Hend Abdel; Elsaman, Ahmed M; Khalifa, Iman; ElBaky, Abeer M Nour ElDin Abd; Ismail, Faten; Hassan, Eman; El Shereef, Rawhya R; et al. (BMC Pediatrics, 2024)