title: Reply.
authors.affiliation: Division of Physical Medicine and Rehabilitation, Department of Surgical Sciences, University of Turin, Turin, Italy; Division of Endocrinology, Diabetology and Metabolism, Department of Medical Sciences, University of Turin, Turin, Italy(∗).
authors.forename: Marco A
authors.initials: MA
authors.lastname: Minetto
authors.affiliation: Biolab, Department of Electronics and Telecommunications, Politecnico di Torino, Turin, Italy(†).
authors.forename: Filippo
authors.initials: F
authors.lastname: Molinari
authors.affiliation: Neuromuscular Research Laboratory, Schulthess Clinic, Zurich, Switzerland(‡).
authors.forename: Nicola A
authors.initials: NA
authors.lastname: Maffiuletti