Acknowledgments
We thank Brian Quinn for his comments and help with the article. This
study was supported by Grants-in-Aid for Scientific Research from the
Japan Society for the Promotion of Science (JSPS, Nos. 16K11350,
19K09150), research grant from JFE (The Japanese Foundation for Research
and Promotion of Endoscopy), research grant from J-CASE (Japanese
Consortium of Advanced Surgical Endoscopy), research grant from Kyushu
Society of Endoscopic and Robotic Surgery, research grant of Karl Storz
Award from Japan Society for Endoscopic Surgery, research grant from The
Mother and Child Health Foundation, research grant from the Kawano
Masanori Memorial Public Interest Incorporated Foundation for Promotion
of Pediatrics, Research Grant from Princess Takamatsu Cancer Research
Fund.