Incidence of intussusception as studied from a hospital-based retrospective survey over a 10-year period (2001-2010) in Akita Prefecture, Japan.

1Department of Pediatrics, Akita University Graduate School of Medicine, Akita 010-8543; 2Division of Molecular Epidemiology, Graduate School of Biomedical Sciences, and Global Center of Excellence, Nagasaki University, Nagasaki 852-8523; 3Akita Red Cross Hospital, Akita 010-1495; 4Odate Municipal Hospital, Odate 017-8550; 5Oga Minato Municipal Hospital, Oga 010-0511; 6Akita City Hospital, Akita 010-0933; 7Nakadori General Hospital, Akita 010-8577; 8Kita-Akita Municipal Hospital, Kitaakita 018-4221; 9Hiraka General Hospital, Yokote 013-8610; 10Akita Social Insurance Hospital, Noshiro 016-0851; 11Yamamoto-Kumiai General Hospital, Noshiro 016-0014; 12Koto General Hospital, Hachirogata 018-1605; 13Yokote Municipal Hospital, Yokote 013-8602; 14Ogachi Central Hospital, Yuzawa 012-0055; 15Akita-Kumiai General Hospital, Akita 011-0948; 16Senboku-Kumiai General Hospital, Daisen 014-0027; 17Yuri-Kumiai General Hospital, Yurihonjo 015-8511; and 18Kazuno-Kosei Hospital, Kazuno 018-5201, Japan