title: Author's reply.
authors.forename: Zahra Javady
authors.initials: ZJ
authors.lastname: Nejad
authors.forename: Ahmad Reza
authors.initials: AR
authors.lastname: Jamshidi
mesh_terms: D001172:Arthritis, Rheumatoid; D001342:Autonomic Nervous System Diseases / Q000175:diagnosis*; D002318:Cardiovascular Diseases / Q000175:diagnosis*; D006801:Humans; D012815:Signal Processing, Computer-Assisted