[ 1 ] Rahmat-Samii Y, Topsakal E. Antenna and sensor technologies in modern medical applications. Hoboken: Wiley; 2021. link1

[ 2 ] Ito K, Takahashi M, Saito K. Small antennas used in the vicinity of human body. IEICE Trans Commun 2016;E99-B(1):9–18. link1

[ 3 ] Hao Y, Ito K, Hall PS. Electromagnetic properties and modeling of the human body. In: Hall PS, Hao Y, editors. Antennas and propagation for body-centric wireless communications. Norwood: Artech House; 2012. p. 17–61. link1

[ 4 ] Medical Device Development Tools (MDDT) [Internet]. Washington, DC: US Food & Drug Administration; 2021 Nov 16 [cited 2020 Dec 30]. Available from: https://www.fda.gov/medical-devices/science-and-research-medical-devices/ medical-device-development-tools-mddt. link1

[ 5 ] Reimann C, Puentes M, Maasch M, Hübner F, Bazrafshan B, Vogl T, et al. Planar microwave sensor for theranostic therapy of organic tissue based on oval split ring resonators. Sensors 2016;16(9):1450. link1

[ 6 ] Manzoor AA, Dewhirst MW. Hyperthermia. In: Schwab M, editor. Encyclopedia of cancer. Berlin: Springer; 2008. link1

[ 7 ] Hagness SC, Taflove A, Bridges JE. Three-dimensional FDTD analysis of a pulsed microwave confocal system for breast cancer detection: design of an antennaarray element. IEEE Trans Antennas Propag 1999;47(5):783–91. link1

[ 8 ] Ito K. Human-centric antennas [presentation]. In: European Conference on Antennas and Propagation; 2017 Mar 19–24; Paris, France; 2017. link1

[ 9 ] Seo CY, Takahashi M, Ito K. Asymptotic analysis of a wearable device attached to the human body by using Sommerfeld integral. In: Proceedings of the International Symposium on Antennas and Propagation; 2007 Aug 20–24; Niigata, Japan; 2007. link1