False‐positive serum (1, 3)‐β‐D‐glucan elevation due to intake of seaweed in a hematopoietic stem cell transplant recipient. Issue 2 (22nd February 2017) - Hashimoto, Norisato; Mori, Takehiko; Hashida, Risa; Sakurai, Masatoshi; Koda, Yuya; Toyama, Takaaki; Kato, Jun; Okamoto, Shinichiro