**Author details**

Yuki Hamada1 and Eiichi Hirano2 \*

1 Hamada Clinic for Gastroenterology and Hepatology, Sapporo, Japan

2 Laennec Regenerative Medicine Research Center, Japan Bio Products Co., Ltd., Kurume, Japan

\*Address all correspondence to: ehirano@placenta-jbp.co.jp

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