Last March, following accusations by independent bloggers in Japan and Germany, the American Heart Association (AHA) issued an Expression of Concern about five papers published in AHA journals co-authored by the chief investigator of the Kyoto Heart Study, Hiroaki Matsubara, who was a prominent cardiologist and researcher at Kyoto Prefectural University in Japan.

FORBES: Two Retractions For Embattled Chief Investigator Of Kyoto Heart Study