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. 2019 Jan 16;33(5):702–713. doi: 10.1038/s41433-018-0322-x

Fig. 3.

Fig. 3

Flow diagram showing the modelling process and studies in each part of this process (the arrow indicates continuation of the process; the box implies cessation of further progress). aPerformed Internal Validation on UKPDS OM2 2013. bExternal Validation reported in same study