track GSE28865_MERGE bigDataUrl GSE28865_MERGE.bigBed shortLabel GSE28865_MERGE longLabel GSE28865_MERGE type bigBed visibility dense color 20,20,255 priority 1 track GSE42701_MERGE bigDataUrl GSE42701_MERGE.bigBed shortLabel GSE42701_MERGE longLabel GSE42701_MERGE type bigBed visibility dense color 20,20,255 priority 2 track GSE44404_MERGE bigDataUrl GSE44404_MERGE.bigBed shortLabel GSE44404_MERGE longLabel GSE44404_MERGE type bigBed visibility dense color 20,20,255 priority 3