FBN1 and Neonatal onset: A few other cases with neonatal-onset progeria and lipodystrophy were identified to be caused by mutations in fibrillin 1 (FBN1, OMIM#134797; Graul-Neumann et al., 2010; Garg and Xing, 2014), caveolin 1 (CAV1,OMIM#601047; Garg et al., 2015; Schrauwen et al., 2015), catalytic subunit of DNA polymerase delta 1 (POLD1, OMIM#174761; Elouej et al., 2017; Sasaki et al., 2018) and solute carrier family 25 member 24 (SLC25A24, OMIM#608744; Ehmke et al., 2017; Rodríguez-García et al., 2018).