1. From the Department of Clinical, Morphological and Technological Sciences, Division of Internal Medicine, and the Department of Mathematics and Informatics (LT), University of Trieste, Trieste, Italy (GB, FA, MS, and GG); the Institute for Kinesiology Research, University of Primorska, Koper, Slovenia (BS and RP); the Centre for Oxygen, Research and Development, University of Liege, Liege, Belgiu