Smoking Cessation Among Diabetic Patients in Kerala, India: 1-Year Follow-up Results From a Pilot Randomized Controlled Trial - Kavumpurathu Raman Thankappan; Gomathy Krishnakurup Mini; Meenu Hariharan; Gadadharan Vijayakumar; Prabhakaran Sankara Sarma and Mark Nichter (Diabetes Care, 2014)