Description  Claims  Drawing  Cited references 

EP2937047A1   [0004] 
EP2263568A2   [0005] 
EP3078333A2   [0006] 
US8784410B   [0020] 
WO2009039506A   [0024] 
US20110121049   [0024] 
US20150297199   [0025]  [0026]  [0029] 
US20120116416   [0045] 
WO2016025132A   [0045]