Circadian gene variants and susceptibility to type 2 diabetes: a pilot study. oleh M Ann Kelly, Simon D Rees, M Zafar I Hydrie, A Samad Shera, Srikanth Bellary, J Paul O'Hare, Sudhesh Kumar, Shahrad Taheri, Abdul Basit, Anthony H Barnett, DIAGRAM Consortium, SAT2D Consortium