title: In Regard to Pan et al.
authors.affiliation: Radiation Oncology Department, Sacro Cuore Don Calabria Hospital, Negrar-Verona, Italy.
authors.forename: Filippo
authors.initials: F
authors.lastname: Alongi
authors.affiliation: Radiation Oncology Department, Sacro Cuore Don Calabria Hospital, Negrar-Verona, Italy.
authors.forename: Niccolò
authors.initials: N
authors.lastname: Giaj-Levra
authors.affiliation: Radiation Oncology Department, Sacro Cuore Don Calabria Hospital, Negrar-Verona, Italy.
authors.forename: Sergio
authors.initials: S
authors.lastname: Fersino
authors.affiliation: Radiation Oncology Department, Sacro Cuore Don Calabria Hospital, Negrar-Verona, Italy.
authors.forename: Francesco
authors.initials: F
authors.lastname: Ricchetti