In this particular case, OP said none of the others met their needs. I would like to know what new functionality this one has to know if it's something I'm interested in or not. It's not a critique - it's helping me understand if I want to check it out or not.
I mean, that makes me even more skeptical. 108 volunteers tracked for that many sparesely populated vectors is 100% going to have hundreds of false positives just due to statistical noise.