If you are a fan of the classical guitar, then you should be familiar with Delcamp forums (http://www.delcamp.us). Its an amazing forum for classical guitarists.
Rob, is asking for assistance for an ergonomic classical guitar industrial project. Read more about his appeal here: http://www.delcamp.us/viewtopic.php?f=1&t=56340.
His survey form for the above said project is: viewtopic.php?f=1&t=56492.
Do check him out.
Happy Chinese New Year!
Jeremy