title: In Reply to Adams and Kwee.
authors.affiliation: Nuclear Medicine and PET-CT Centre, Oncology Institute of Southern Switzerland, Bellinzona, Switzerland.
authors.forename: Luca
authors.initials: L
authors.lastname: Ceriani
authors.affiliation: Cancer Research UK Centre, University of Southampton, Southampton, United Kingdom.
authors.forename: Peter W M
authors.initials: PW
authors.lastname: Johnson
authors.affiliation: Department of Cellular Biotechnologies and Hematology, Sapienza University, Rome, Italy.
authors.forename: Maurizio
authors.initials: M
authors.lastname: Martelli
authors.affiliation: Department of Oncology, Oncology Institute of Southern Switzerland, Bellinzona, Switzerland.
authors.forename: Emanuele
authors.initials: E
authors.lastname: Zucca