I did all 3 levels with Dr Jörg Prinz and it was a very enlightening experience. First and utmost the Scenar is so much more than a pain management machine. The online courses with Dr Jörg were a delight as he explained difficult concepts and made them easier to understand and broke them up into manageable segments. He went over the material as many times as needed, answered all questions, went over time with pleasure, was available in between meeting. I highly recommend these classes to understand the potential of this great machine. Thank you Dr Jörg.