1. From the Department of Cardiology and Clinical Research (S.F.R., E.R., S.F.d.M., Y.A., U.S., C.S.) and Department of Pneumology (S.O., M.G.), Inselspital, University Hospital, Bern, Switzerland; and Facultad de Ciencias, Departamento de Biología, Universidad de Tarapacá, Arica, Chile (U.S.).