| Academic conference presentation | 
  
    
      | 1. | 2014/08/31 |  | 
  
    
      | 2. | 2013/10/22 |  | 
  
    
      | 3. | 2013/10/09 |  | 
  
    
      | 4. | 2011/11/08 |  | 
  
    
      | 5. | 2010/04/19 |  | 
  
    
      | 6. | 2010/04/19 |  | 
  
    
      | 7. | 2009/12/02 |  | 
  
    
      | 8. | 2009/11/11 |  | 
  
    
      | 9. | 2009/06/02 |  | 
  
    
      | 10. | 2008/06/22 |  | 
  
    
      | 11. | 2007/11/07 |  | 
  
    
      | 12. | 2007/06/10 |  | 
  
    
      | 13. | 2006/07/10 |  | 
  
    
      | 14. | 2016/06/25 |  | 
  
    
      | 15. | 2005/07/09 |  | 
  
    
      | 16. | 1995/09/11 |  | 
  
    
      | 17. | 1995/09/11 |  | 
  
    
      | 18. | 1995/09/11 |  | 
  
    
      | 19. | 1995/09/11 |  | 
  
    
      | 20. | 1995/08/21 |  | 
  
    
      | 21. | 1995/06/08 |  | 
  
    
      | 22. | 1995/06/08 |  |