1 National Track & Field Centre, Sports Injury Clinic, Sports Medicine Clinic of SEGAS, Thessaloniki, Greece.
2 Medical Services F.C. Barcelona; High Performance Center (CAR de Sant Cugat - Consorci Sanitari de Terrassa), Barcelona, Spain.
3 Isokinetic Medical Group, Bologna, Italy.
4 Institute for Sports Medicine, Otto-Fleck-Schneise 10, Frankfurt am Main, Germany; Institute for Sports and Sports Science, Albert-Ludwigs-University Freiburg i.Brsg., Germany.
5 John King Centre for Leg Pain, London Independent Hospital, London, UK.
6 Head of Department of Physical and Rehabilitation Medicine, University of Salerno, Azienda Ospedaliera San Giovanni Di Dio e Ruggi d'Aragona, Salerno, Italy Centre for Sports and Exercise Medicine, Queen Mary University of London, Barts and The London School of Medicine and Dentistry, Mile End Hospital, London, UK.