Kobayashi Pharmaceutical Co. said Tuesday its chairman and president are stepping down to take responsibility for a health hazard scandal linked to its red yeast rice dietary supplements that is suspected to have involved fatal cases. The resignation of Chairman Kazumasa Kobayashi, 84, and President Akihiro Kobayashi, 53, who both hail from the founding family, comes as the company released an investigation report over its handling of the issue, acknowledging delays in alerting consumers over the potential risks and recalling their products. The two bear “heavy” responsibility for the incident…