| Academic conference presentation | 
  
    
      | 1. | 2001/07/13 |  | 
  
    
      | 2. | 2002/09/23 |  | 
  
    
      | 3. | 2003/07/20 |  | 
  
    
      | 4. | 2004/03/27 |  | 
  
    
      | 5. | 2004/11/08 |  | 
  
    
      | 6. | 2006/07/22 |  | 
  
    
      | 7. | 2007/03/15 |  | 
  
    
      | 8. | 2007/07/11 |  | 
  
    
      | 9. | 2008/06/12 |  | 
  
    
      | 10. | 2008/10/03 |  | 
  
    
      | 11. | 2009/07/18 |  | 
  
    
      | 12. | 2010/07/10 |  | 
  
    
      | 13. | 2011/07/30 |  | 
  
    
      | 14. | 2012/05/20 |  | 
  
    
      | 15. | 2012/07/15 |  | 
  
    
      | 16. | 2013/03/19 |  | 
  
    
      | 17. | 2013/07/21 |  | 
  
    
      | 18. | 2014/05/19 |  | 
  
    
      | 19. | 2014/09/25 |  | 
  
    
      | 20. | 2015/07/26 |  | 
  
    
      | 21. | 2015/11/02 |  | 
  
    
      | 22. | 2015/11/23 |  | 
  
    
      | 23. | 2015/11/30 |  | 
  
    
      | 24. | 2016/05/20 |  | 
  
    
      | 25. | 2016/05/23 |  | 
  
    
      | 26. | 2016/09/07 |  | 
  
    
      | 27. | 2018/08/20 |  | 
  
    
      | 28. | 2019/06/27 |  | 
  
    
      | 29. | 2019/07/05 |  | 
  
    
      | 30. | 2019/07/23 |  | 
  
    
      | 31. | 2019/09/27 |  |