1. Neither am I. I used Google to find a copy on the author's academic website which took all of 20 seconds. You can find full-text versions of most scientific papers by searching on the journal article title and appending 'filetype:pdf'.
2. Yes, the answer to the question is complicated. As I mentioned, it occupies a full page of the study. I could have summarized this in a few words, but the authors had already done that in the abstract and the poster didn't consider that good enough.