1 Department of Pediatrics, Tokyo Women's Medical University School of Medicine, 8‑1 Kawada‑cho, Shinjuku, Tokyo, 162‑8666, Japan.
2 Department of Clinical Research, National Hospital Organization Higashisaitama National Hospital, 4147 Kurohama, Hasuda, Saitama, 349‑0196, Japan.
3 Department of Rehabilitation, Tokyo Women's Medical University, 8‑1 Kawada‑cho, Shinjuku, Tokyo, 162‑8666, Japan.
4 Department of Clinical Epidemiology, Translational Medical Center, National Center of Neurology and Psychiatry, 4‑1‑1 Ogawa‑Higashi, Kodaira, Tokyo, 187‑8551, Japan.
5 Department of Pediatrics, Tokyo Women's Medical University School of Medicine, 8‑1 Kawada‑cho, Shinjuku, Tokyo, 162‑8666, Japan. ishigaki.keiko@twmu.ac.jp.