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Korean Medical Association (External organization)
Byungkyu Ahn (Chair)2006 Feb 14 → 2019 Jul 28
Activity: Membership › Membership of board
Surgical Society (External organization)
Byungkyu Ahn (Chair)2006 Feb 14
Activity: Membership › Membership of board
Society of Coloproctology (External organization)
Byungkyu Ahn (Chair)2009 Mar 1
Activity: Membership › Membership of board
City of Hope National Med Center
Byungkyu Ahn (Visiting researcher)2017 Sep 1 → 2018 Aug 31
Activity: Visiting an external institution › Visiting an external academic institution