"reference"
"brain__DBA.2J"	"C57BL.6,CD1"
"colon__DBA.2J"	"C57BL.6,CD1"
"kidney__DBA.2J"	"C57BL.6,CD1"
"liver__DBA.2J"	"C57BL.6,CD1"
"lung__DBA.2J"	"C57BL.6,CD1"
"brain__C57BL.6"	"none"
"colon__C57BL.6"	"none"
"kidney__C57BL.6"	"none"
"liver__C57BL.6"	"none"
"lung__C57BL.6"	"none"
"brain__CD1"	"none"
"colon__CD1"	"none"
"kidney__CD1"	"none"
"liver__CD1"	"none"
"lung__CD1"	"none"
