Laura Gochicoa-Rangel, MD, PhD
Department of Respiratory Physiology Deputy Directorate of Ancillary Diagnostic Services, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío villegas (INER), Instituto de Desarrollo e Innovación en Fisiología Respiratoria (INFIRE), Tlalpan 4502, Colonia Sección XVI, Tlalpan, Ciudad de México, CP 14080, México
J. Tod Olin, MD, MSCS
Division of Pediatric Pulmonology, Department of Pediatrics, Division of Pulmonary, Critical Care & Sleep Medicine, Department of Medicine, National Jewish Health, National Jewish Health Exercise and, Performance Breathing Center, 1400 Jackson Street, Box J-320, Denver, CO 80206, USA