Upper extremity joint tenderness as a practical indicator for assessing presenteeism in rheumatoid arthritis patients: A cross-sectional observational study - Ryota Naito; Masashi Taniguchi; Hideo Onizawa; Tomoya Nakajima; Kayo McCracken; Masato Mori; Ryosuke Hiwa; Takuji Nakamura; Akira Onishi; Shuichi Matsuda; Akio Morinobu; Shinji Hirose; et al. (PLoS ONE, 2025)