Effects of outdoor play on body composition and physical performance in children: the Yamanashi Adjunct study of the Japan Environment and Children’s Study - Masanori Wako; Taro Fujimaki; Jiro Ichikawa; Kensuke Koyama; Ryoji Shinohara; Sanae Otawa; Anna Kobayashi; Sayaka Horiuchi; Megumi Kushima; Zentaro Yamagata; Hirotaka Haro (PLoS ONE, 2025)