Speaker
            
                
                    
    
            Prof.
        
    Kei Kotake
    
            (Fukuoka University, Fukuoka (Japan))
        
                
            
            
    
        
    Primary author
        
                
            
                
                        Prof.
                    
                
                    Kei Kotake
                
                
                        (Fukuoka University, Fukuoka (Japan))
                    
            
        
            
            
    
    
         
                                    