The Breathing IQ: an anthropometric index of diaphragmatic breathing efficiency - Vranich, Belisa; Lee, Rachel; Zapanta, John; Shoen, Brian; Houghton, Helene; Ruelas, Crystal; Wahlfeldt, Mary Lisa; Kerr, Robin; Pripotnev, Andrei; Goorahoo, Michaela; Baptiste, Jean-Berne; Elliot, Joanne (Frontiers in Physiology, 2025)