Actually, first of all I'd like to thank all the witnesses for being here. I was going to go down a different line, but Dr. de Beer, let's just expand on that question of “how”.
Obviously, across the group here today we have a very learned group of people who've looked at this, studied it from various angles. You must have a sense of what the answer to that question might be. Could you share your views as to what the “how” is?