Combined novel homozygous variants in both SGPL1 and STAT1 presenting with severe combined immune deficiency: case report and literature review oleh Adriel Roa-Bautista, Adriel Roa-Bautista, Mahreen Sohail, Emma Wakeling, Emma Wakeling, Kimberly C. Gilmour, Mark Davis, Anthony Gait, Anthony Gait, Giovanna Lucchini, Giovanna Lucchini, David Cox, Reem Elfeky, Reem Elfeky, Maaike Kusters, Maaike Kusters