1 Department of General Pediatrics, Okinawa Prefectural Nanbu Medical Center and Children's Medical Center, Arakawa, Okinawa, 901-1193, Japan.
2 Department of General Pediatrics, Okinawa Prefectural Nanbu Medical Center and Children's Medical Center, Arakawa, Okinawa, 901-1193, Japan. kouki.tom.1228@gmail.com.
3 Division of Child Neurology and Child Psychiatry, Okinawa Prefectural Nanbu Medical Center and Children's Medical Center, Arakawa, Okinawa, Japan.
4 Department of Pediatrics, Okinawa Prefectural Nanbu Medical Center and Children's Medical Center, Arakawa, Okinawa, Japan.
5 Department of Pediatric Cardiology, Okinawa Prefectural Nanbu Medical Center and Children's Medical Center, Arakawa, Okinawa, Japan.
6 Division of Pediatric Critical Care Medicine, Okinawa Prefectural Nanbu Medical Center and Children's Medical Center, Arakawa, Okinawa, Japan.