title: Assessing cardiac autonomic function via heart rate variability analysis requires monitoring respiration: reply.
authors: Imperial College, London, UK marek.malik@btinternet.com.
authors: Marek
authors: M
authors: Malik
authors: Università degli Studi di Milano, Milano, Italy.
authors: Roberto
authors: R
authors: Sassi
authors: Politecnico di Milano, Milano, Italy.
authors: Sergio
authors: S
authors: Cerutti
authors: Università degli Studi di Milano, Milano, Italy.
authors: Federico
authors: F
authors: Lombardi
authors: Oulu University Hospital and University of Oulu, Oulu, Finland.
authors: Heikki V
authors: HV
authors: Huikuri
authors: National Central University Chungli, Taiwan Harvard Medical School, Boston, USA.
authors: Chung-Kang
authors: CK
authors: Peng
authors: Technischen Universität München, München, Germany.
authors: Georg
authors: G
authors: Schmidt
authors: The University of Tokyo, Tokyo, Japan.
authors: Yoshiharu
authors: Y
authors: Yamamoto
mesh_terms: D001341:Autonomic Nervous System; D006321:Heart; D006339:Heart Rate; D006801:Humans; D008991:Monitoring, Physiologic; D012119:Respiration