{HEAD ~ The method} 1, wherein {TAIL ~ the received data} for distribution to at least one of the content servers comprises course material 
wherein
{ HEAD ~ The method } 1 , wherein { TAIL ~ the received data } for distribution to at least one of the content servers comprises course material
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH