The Effects of Vagus Nerve Stimulation on Stress, Competitive Anxiety, and Depression in Elite Shooters: Randomized Controlled Trial. - Park, Sang-Hyuk; Seong, Changhoon; Kang, Nyeonju; Jeon, Kyoungkyu; Kil, Sekee; Ahn, Hyosung; Lim, Seung-Taek (Applied Sciences (2076-3417), 2025)