Corresponding Author
Department of Pediatrics, University of Tsukuba Hospital, Tsukuba, Ibaraki, Japan
Department of General Pediatrics, Ibaraki Children's Hospital, Mito, Ibaraki, Japan
Correspondence: Takuro Sato, MD, Department of Pediatrics, University of Tsukuba Hospital, 2‐1‐1 Amakubo, Tsukuba, Ibaraki 305‐8576, Japan. Email:
takusatou-tuk@umin.ac.jpSearch for more papers by this author