NKD	Forward 5′-CAGCCAGAGCAAGAGGAGCGTC-3′
	Reverse 5′-CCGGCGAGATCTAAGTAGTGGT-3′
NKG2E	Forward 5′-GCCAGCATTTTACCTTCCTCAT-3′
	Reverse 5′-AACATGATGAAACCCCGTCTAA-3′
CECR6	Forward 5′-ACAGTCGGTGTGGAATGTC-3′
	Reverse 5′-AGAAGGGAGAAGGGGAAACA-3′