Correspondence to: Atsushi Yamashita, MD, PhD, Department of Pathology, Faculty of Medicine, University of Miyazaki, 5200 Kihara, Kiyotake, Miyazaki 889-1692, Japan. Email

E-mail Address: [email protected]

https://orcid.org/0000-0001-5487-7594

Department of Pathology, Faculty of Medicine, University of Miyazaki, Japan. (T.G., A.Y., K.M., Y.A.)