About the Authors

Yuji Matsumaru

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Writing – original draft, Writing – review & editing

Affiliations Department of Neurosurgery, Institute of Medicine, University of Tsukuba, Tsukuba, Japan, Epsilon Medical Inc., Tokyo, Japan

Ayataka Fujimoto

Roles Conceptualization, Data curation, Investigation, Methodology, Project administration, Writing – original draft, Writing – review & editing

afujimotoscienceacademy@gmail.com

Affiliations Epilepsy Center, Dokkyo Medical University School of Medicine, Tochigi, Japan, School of Rehabilitation Sciences, Seirei Christopher University, Shizuoka, Japan, Seirei Hamamatsu General Hospital, Hamamatsu, Shizuoka, Japan

Yosuke Masuda

Roles Conceptualization, Investigation, Methodology, Project administration, Writing – review & editing

Affiliation Department of Neurosurgery, Institute of Medicine, University of Tsukuba, Tsukuba, Japan

Hisayuki Hosoo

Roles Data curation, Investigation, Project administration, Writing – review & editing

Affiliation Department of Neurosurgery, Institute of Medicine, University of Tsukuba, Tsukuba, Japan

Kota Araki

Roles Data curation, Investigation, Project administration, Writing – review & editing

Affiliation Department of Neurosurgery, Institute of Medicine, University of Tsukuba, Tsukuba, Japan

Aiki Marushima

Roles Investigation, Project administration, Writing – review & editing

Affiliation Department of Neurosurgery, Institute of Medicine, University of Tsukuba, Tsukuba, Japan

Kensuke Kawai

Roles Supervision, Writing – review & editing

Affiliation Department of Neurosurgery, Jichi Medical University, Shimotsuke, Tochigi, Japan

Hiroki Ishida

Roles Project administration, Writing – review & editing

Affiliation Epsilon Medical Inc., Tokyo, Japan

Koichi Hashimoto

Roles Project administration, Writing – review & editing

Affiliation Tsukuba Clinical Research and Development Organization (T-CReDo), University of Tsukuba, Tsukuba, Japan

Ryota Ishii

Roles Investigation, Methodology, Project administration, Writing – review & editing

Affiliation Department of Biostatistics, Institute of Medicine, University of Tsukuba, Tsukuba, Japan

Bryan J. Mathis

Roles Writing – review & editing

Affiliation Clinical Research Manuscript Elevation Service (CReME), University of Tsukuba, Tsukuba, Japan

Eiichi Ishikawa

Roles Project administration, Supervision, Writing – review & editing

Affiliation Department of Neurosurgery, Institute of Medicine, University of Tsukuba, Tsukuba, Japan

Competing Interests

Yuji Matsumaru is the inventor of the endovascular EEG electrode EP01 (Epsilon Medical Inc., Tokyo, Japan) and a shareholder of the company. Yosuke Masuda, Aiki Marushima, and Ayataka Fujimoto are also shareholders of Epsilon Medical Inc. Additionally, Yuji Matsumaru serves as the representative director of Epsilon Medical Inc. Hiroki Ishida is responsible for device design and clinical development at Epsilon Medical Inc. Hisayuki Hosoo, Kota Araki, Kensuke Kawai, Koichi Hashimoto, Ryota Ishii, Bryan J. Mathis, and Eiichi Ishikawa declare no conflicts of interest.This does not alter our adherence to PLOS ONE policies on sharing data and materials.