1. Institute of Thermomechanics, Czech Academy of Science, Dolejškova 5, 182 00, Prague, Czech Republic
2. Department of Physiology, Faculty of Medicine, Masaryk University, Kamenice 5, 625 00, Brno, Czech Republic
3. Laboratoire de Neurocardiologie, EA4612, Université Lyon 1, Lyon F-69003, France