At the time we were conducting this research lung cancer screening existed mostly in Europe, China and the U.S. Note that if we had to conduct a 5 year multi s

At the time we were conducting this research lung cancer screening existed mostly in Europe, China and the U.S. Note that if we had to conduct a 5 year multi site lung cancer screening trial ourselves in addition to doing the research, there would be basically no way of getting private funding for that. Those trials are very, very expensive and take several years to reach a conclusion. Add to that the potential optics of Google “experimenting” in developing countries and the blowback risk from that...