1 Hip Department (CAD) Gaetano Pini-CTO Orthopedic Institute, University of Milan, P.za Cardinal Ferrari 1, 20122, Milano, Italy. filippo.randelli71@gmail.com.
2 Hip Department (CAD) Gaetano Pini-CTO Orthopedic Institute, University of Milan, P.za Cardinal Ferrari 1, 20122, Milano, Italy.
3 Department of Orthopedics and Trauma Surgery, Musculoskeletal University Centre Munich (MUM), University Hospital, LMU Munich, Munich, Germany.
4 Department of Orthopaedic Surgery, ZOL Genk, Genk, Belgium.
5 Arthroplasty Center, Helios Klinikum Munich West, Munich, Germany.
6 Center of Orthopaedics, Trauma Surgery and Rehabilitation Medicine, University of Greifswald, Greifswald, Germany.