okay… this is not directly about digital drugs – in fact, personalised medicine is never mentioned, nor the stratified one.. But there may be something about this that is connected…

All-Party Parliamentary Group on Global Health. Patient Empowerment: For Better Quality, More Sustainable Health Services Globally. London; 2014.

(It was also mentioned in the BMJ: http://www.bmj.com/content/348/bmj.g3264 )