title: Reply.
authors.affiliation: Department of Thoracic Surgery, Hospital Universitari Mútua Terrassa, Plaza Dr. Robert, 5, 08221 Terrassa, Barcelona, Spain.
authors.forename: Ramón
authors.initials: R
authors.lastname: Rami-Porta
authors.affiliation: Department of Thoracic Surgery, Hospital Universitari Mútua Terrassa, Plaza Dr. Robert, 5, 08221 Terrassa, Barcelona, Spain. Electronic address: callsergi@me.com.
authors.forename: Sergi
authors.initials: S
authors.lastname: Call