ការអប់រំ
2009
GastroenterologyThai Medical Council, Thailand2009
Internal MedicineThai Medical Council, Thailand2008
GastroenterologyAmerican Board of Internal Medicine, United States2007
GastroenterologyRoyal College of Physicians and Surgeons of Canada, University of British Columbia, Canada2006
Internal MedicineRoyal College of Physicians and Surgeons of Canada, University of British Columbia, Canada2005
Internal MedicineAmerican Board of Internal Medicine, United States
