Smart swim goggles accurately measure heart rate during swim training: A criterion validation study. - Kits, Aidan; Chhatre Elder, Neha; Eisenhardt, Dan; Daryoush Hamedani, Yasmin; Hoskinson, Reynald; Madeleine, Pascal; Samani, Afshin; Kristiansen, Mathias; Clarke, David C. (Journal of Sports Sciences, 2026)