David Armstrong - MA, MB BChir, FRCPC, FRCP(UK), FACG, AGAF, Professor, Department of Medicine, Division of Gastroenterology & Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Ontario, Canada.
Chair of the Canadian Association of Gastroenterology (CAG) Endoscopy Committee.
Treasure (member of Board of Directors) of
International Working Group for the Classification of Oesophagitis (IWGCO).
ORCID 0000-0003-2487-1479
