1.  
  2. UNESCO Chair in Health Education:2004 -Now
  3.  
  4. Division of Rheumatology and Clinical Immunology of Department of Medicine, Albert _Ludwigs University in Freiburg,Germany:2005,2006,2012
  5.  
  6. The Division of Clinical Immunology at the Department of Laboratory Medicine, Karolinska Institute  at Karolinska Hudding, Sweden:2005,2006
  7.  
  8. Division of Medical Inflammation Research ,Karolinska Institute,Sweden:2008,2014
  9.  
  10.  
  11. IRCCS,Rome,Italy:2011/2012
  12.  
  13. Institute of Pathophysiology Semmelwels university-Faculty of Medicine and Seroscience LTD Budapest-Hungary:2012,2013
  14.  
  15. Imperial College London:2013
  16.  
  17. Utrecht university, Netherland:2013
  18.  
  19. Research Institute of Interventional Allergology and Immunology, Bonn/Cologne,Germany:2013
  20.  
  21. Klinnikum der University Munchen, Germany (KUM) :2014
  22.  
  23. Human Genetics of Infectious Diseases Laboratory: Necker Medical School, University Paris Descartes, Paris, France 2014
  24.  
  25. Immuno Deficiency Center Leipzig (IDCL), St. Georg hospital, Leipzig, Germany:2014
  26.  
  27. Luxembourg Institute of Health, France:2016
  28.  
  29. Jeffery Modell Foundation:2016
  30.  
  31. Centri Associati di Allergologia Molecoare (CAAM) Rome, Italy ;2017
  32.  
  33. European Network of the Severe Chronic Neutropenia International Registry (SCNIR):2017
  34.  
  35. Department of Immunology & Histocompatibility, School of Medicine Sciences,Larissa, Greece:2017
  36.  
  37. Sistermas Genomicos SL: Valenvia Spain :2017
  38. IDF:(Immue Deficiency Foundation):
  39. Word PI Week:
  40.  
  41. Charite: Germany:2017
  42.  
  43. National Marrow Donor Program (NMDP), International Transplant Center Participation Criteria :2018
  44.  
  45. University of CAPE TOWN, South Africa 2018
  46.