MAP2K1 and Noonan syndrome: No variants matching our filtering criteria were detected in any known genes associated with Noonan syndrome, other RASopathies (PTPN11, SOS1, RAF1, RIT1, KRAS, NRAS, BRAF, SHOC2, CBL, MEK1, MEK2, HRAS, MAP2K1, MAP2K2, NF1), or other genes associated with CHARGE syndrome (SEMA3E).