IEEE trans. biomed. eng. IEEE trans. biomed. eng. Noninvasive cardiorespiratory signals analysis for asthma evolution monitoring in preschool children Milagro Javier Universidad de Zaragoza Gracia Javier Seppä Ville-Pekka Karjalainen Jussi Paassilta Marita Orini Michele Bailón Raquel Universidad de Zaragoza Gil Eduardo Universidad de Zaragoza Viik Jari 2020 research-article