HDAC4 and diabetes mellitus: Examples of reproducible and top-ranked DM loci that are not associated with published mQTLs include BMI-associated DM in HDAC4, AD-associated DM in PCNT, and smoking-associated DM in F2RL3. Nonetheless, in our analysis, between 5 and 20% of EWAS DM CpGs overlap with mQTLs.