title: Authors' reply.
authors.affiliation: Fourth Unit of Internal Medicine (Nikolaos Papachrysos, Lavrentios Papalavrentios, Emmanouil Sinakos, Ioannis Kouvelis, Evangelos Akriviadis), Aristotle University, Medical School, Thessaloniki, Greece.
authors.forename: Nikolaos
authors.initials: N
authors.lastname: Papachrysos
authors.affiliation: Department of Pathology (Prodromos Hytiroglou), Aristotle University, Medical School, Thessaloniki, Greece.
authors.forename: Prodromos
authors.initials: P
authors.lastname: Hytiroglou
authors.affiliation: Fourth Unit of Internal Medicine (Nikolaos Papachrysos, Lavrentios Papalavrentios, Emmanouil Sinakos, Ioannis Kouvelis, Evangelos Akriviadis), Aristotle University, Medical School, Thessaloniki, Greece.
authors.forename: Lavrentios
authors.initials: L
authors.lastname: Papalavrentios
authors.affiliation: Fourth Unit of Internal Medicine (Nikolaos Papachrysos, Lavrentios Papalavrentios, Emmanouil Sinakos, Ioannis Kouvelis, Evangelos Akriviadis), Aristotle University, Medical School, Thessaloniki, Greece.
authors.forename: Emmanouil
authors.initials: E
authors.lastname: Sinakos
authors.affiliation: Fourth Unit of Internal Medicine (Nikolaos Papachrysos, Lavrentios Papalavrentios, Emmanouil Sinakos, Ioannis Kouvelis, Evangelos Akriviadis), Aristotle University, Medical School, Thessaloniki, Greece.
authors.forename: Ioannis
authors.initials: I
authors.lastname: Kouvelis
authors.affiliation: Fourth Unit of Internal Medicine (Nikolaos Papachrysos, Lavrentios Papalavrentios, Emmanouil Sinakos, Ioannis Kouvelis, Evangelos Akriviadis), Aristotle University, Medical School, Thessaloniki, Greece.
authors.forename: Evangelos
authors.initials: E
authors.lastname: Akriviadis