1   Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

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2   Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Shinjuku-ku, Japan

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Kentaro Iwata

1   Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

3   Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

,

Kurato Miyazaki

1   Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

3   Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

,

1   Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

,

Yoko Kubosawa

1   Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

3   Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

,

Mari Mizutani

1   Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

3   Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

,

Yukie Hayashi

3   Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

,

Motoki Sasaki

1   Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

,

Tomohisa Sujino

2   Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Shinjuku-ku, Japan

,

Kaoru Takabayashi

2   Center for Diagnostic and Therapeutic Endoscopy, Keio University School of Medicine, Shinjuku-ku, Japan

,

1   Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

,

Yusaku Takatori

1   Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

,

Atsushi Nakayama

1   Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

,

Mariko Sekimizu

4   Department of Otolaryngology, Head and Neck Surgery, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

,

Hiroyuki Ozawa

4   Department of Otolaryngology, Head and Neck Surgery, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)

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Naohisa Yahagi

1   Division of Research and Development for Minimally Invasive Treatment, Cancer Center, Keio University School of Medicine, Shinjuku-ku, Japan (Ringgold ID: RIN38084)