You can read the full article on this link. However, I would disagree that the number is up to 50,000, it is nearer the 100,000 as per my report to the PAES conference in Spain in 2016.
You can read the full article on this link. However, I would disagree that the number is up to 50,000, it is nearer the 100,000 as per my report to the PAES conference in Spain in 2016.