Yeah, you're right. I found somewhat on an update here: http://www.bmj.com/cgi/content/extract/338/mar23_2/b1223 http://www.bmj.com/cgi/content/extract/338/mar

Yeah, you're right. I found somewhat on an update here: http://www.bmj.com/cgi/content/extract/338/mar23_2/b1223 http://www.bmj.com/cgi/content/extract/338/mar23_2/b1223