Pregnancy-related interventions in mothers at risk for gestational diabetes in Asian India and low and middle-income countries (PRIMORDIAL study): protocol for a randomised control... by Vasan, SK, Jobe, M, Mathews, J, Cole, F, Rathore, S, Jarjou, O, Thompson, D, Jarde, A, Bittaye, M, Ulijaszek, S, Fall, C, Osmond, C, Prentice, A, Karpe, F