Expansion of droplets during speaking and singing in Japanese

• Hideaki Kato ,

  Roles Conceptualization, Data curation, Writing – original draft

  * E-mail: ekato@yokohama-cu.ac.jp

  Affiliation Infection Prevention and Control Department, Yokohama City University Hospital, Yokohama, Japan

  https://orcid.org/0000-0002-7853-5721

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• Ryuta Okamoto,

  Roles Conceptualization, Data curation

  Affiliation Solution Division, Shin Nippon Air Technologies, Tokyo, Japan

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• Sohei Miyoshi,

  Roles Conceptualization, Data curation

  Affiliation Tokyo Choral Association, Tokyo, Japan

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• Sho Noguchi,

  Roles Conceptualization, Data curation

  Affiliation Japan Choral Association, Tokyo, Japan

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• Masakazu Umeda,

  Roles Conceptualization, Data curation

  Affiliation Japan Choral Association, Tokyo, Japan

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• Yuhei Chiba

  Roles Supervision, Writing – review & editing

  Affiliations Department of Psychiatry, Sekiaikai Yokohama Maioka Hospital, Yokohama, Kanagawa, Japan, YUAD, Yokohama, Kanagawa, Japan

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