Effectiveness of a group-based Diabetes Prevention Education Program (DiPEP) in a population with pre-diabetes: a cluster randomised controlled trial in Nepal oleh Eva Skovlund, Archana Shrestha, Biraj Man Karmacharya, Abha Shrestha, Pushpanjali Shakya, Abhijit Sen, Monish Bajracharya, Bård Erik Kulseng, Smriti Shrestha, Seema Das, Ishwori Byanju Shrestha, Krishnaa Barun, Nistha Shrestha