HLA-A and classic Hodgkin lymphoma: Protective HLA-E-HLA-A combinations were dominant in healthy controls but clearly underrepresented in EBV-associated cHL (E*01:01+veA*01-ve: 67.2% vs 35.8%, E*01:01+veA*02+ve: 42.6% vs 20.9% and E*01:01+veA*01-veA*02+ve: 36.1% vs 9.5%).