Wireless, skin-attachable patch with 3D liquid metal electrodes for vagus nerve stimulation in depression - Wonjung Park; Enji Kim; Doo-Ho Kang; Sumin Kim; Yeon-Mi Hong; Dayeon Kim; Jakyoung Lee; Hayoung Song; Hyun Ho Jung; Dahl-Young Khang; Jung Ah Lim; Jang-Ung Park (Proceedings of the National Academy of Sciences, 2026)