Arriana Gkouvi, Nektarios Marios Liapis, Dimitrios P. Bogdanos Department of Rheumatology and Clinical immunology, University General Hospital of Larissa, Faculty of Medicine, School of Health Sciences, University of Thessaly, 40500 Larissa, Greece *Corresponding Author’s e-mail: bogdanos@uth.gr

Pier-Luigi Meroni

Vasiliki Lianou, Efterpi Zafiriou*, Polyxeni Gidarokosta, Agoritsa Gravani, Angeliki- Victoria Roussaki- Schulze

Jan Damoiseaux

Sotirios G. Tsiogkas*, Dimitrios P. Bogdanos

Agoritsa Gravani*, Efterpi Zafiriou, Polyxeni Gidarokosta, Angeliki- Victoria Roussaki- Schulze

Nicola Bizzaro

Nektarios Marios Liapis, Ioannis Alexiou, Dimitrios P. Bogdanos

Athanasios Saratziotis

Efthimios Dardiotis,  Dimitrios P. Bogdanos