Supplementary Tables 1 and 2 combined information:

Case41: GT41, Male, 5 years old

DiseaseAssertion: Glanzmann thrombasthenia

FamilyInfo: Not available per supplementary table 1

ParentalGenotype: Parents are not consanguineous, no other genotype information available

CasePresentingHPOs: HP:0000978, HP:0000979, HP:0031364, HP:0000421

(Bruising, purpura, ecchymosis, epistaxis)

CaseHPOFreeText: N/A

CaseNotHPOs: N/A

CaseNotHPOsFreeText: N/A

ProteinExpression: Showed 10-20% of αIIbβ3 expression measured by flow cytometry

PlateletAggregation: Platelet aggregation showed no response to ADP and collagen but normal response to ristocetin

CasePreviousTesting: All exons from ITGA2B and ITGB3 genes were amplified by PCR using intronic primers. DNA sequencing was determined by Sanger sequencing.

Gene: ITGB3

Variant: NM_000212.2:c.1736G>A (p.Trp579Ter) and NM_000212.2:c.1784_1802delinsGTCACA

LegacyVariant: N/A

ClinVar: N/A

CAiD: CA400032429 (p.Trp579Ter) and CA915940255 (c.1784_1802delinsGTCACA)

gnomAD: N/A