The Burden and Etiology of Community-Onset Pneumonia in the Aging Japanese Population: A Multicenter Prospective Study

• Konosuke Morimoto ,

  Contributed equally to this work with: Konosuke Morimoto, Motoi Suzuki

  * E-mail: komorimo@nagasaki-u.ac.jp

  Affiliation Department of Clinical Medicine, Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan

  ⨯
• Motoi Suzuki ,

  Contributed equally to this work with: Konosuke Morimoto, Motoi Suzuki

  Affiliation Department of Clinical Medicine, Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan

  ⨯
• Tomoko Ishifuji,

  Affiliation Department of Clinical Medicine, Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan

  ⨯
• Makito Yaegashi,

  Affiliation Department of General Internal Medicine, Kameda Medical Center, Chiba, Japan

  ⨯
• Norichika Asoh,

  Affiliation Department of Internal Medicine, Juzenkai Hospital, Nagasaki, Japan

  ⨯
• Naohisa Hamashige,

  Affiliation Department of Internal Medicine, Chikamori Hospital, Kochi, Japan

  ⨯
• Masahiko Abe,

  Affiliation Department of General Internal Medicine, Ebetsu City Hospital, Hokkaido, Japan

  ⨯
• Masahiro Aoshima,

  Affiliation Department of Pulmonology, Kameda Medical Center, Chiba, Japan

  ⨯
• Koya Ariyoshi,

  Affiliation Department of Clinical Medicine, Institute of Tropical Medicine, Nagasaki University, Nagasaki, Japan

  ⨯
• Adult Pneumonia Study Group - Japan (APSG-J)

  ¶Membership of the Adult Pneumonia Study Group—Japan (APSG-J) is listed in the Acknowledgments.

  ⨯