sensors Article Analysis of Gender Differences in HRV of Patients with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome Using Mobile-Health Technology Lluis Capdevila 1,* , Jesús Castro-Marrero 2,* , José Alegre 2 , Juan Ramos-Castro 3 and Rosa M Escorihuela 4 1 Departament de Psicologia ...