38 visiting now: 21 USA 
8 Singapore 
3 UK 
2 Australia 
1 Israel 
1 Netherlands 
1 Belgium 
1 Canada 
1 Ireland 
8 Singapore 3 UK 2 Australia 1 Israel 1 Netherlands 1 Belgium 1 Canada 1 Ireland 8 Singapore 3 UK 2 Australia 1 Israel 1 Netherlands 1 Belgium 1 Canada 1 Ireland