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Verena Meidl, Petra Dallmann, Kathrin Steffen, Berit Bretthauer, Aglaja Busch, Eva Johanna Kubosch, Rainer Leonhart, Anja Hirschmueller

Wing S Kwok, Saman Khalatbari-Soltani, Xenia Dolja-Gore, Julie Byles, Juliana S Oliveira, Marina B Pinheiro, Anne Tiedemann, Catherine Sherrington

Marte Heide, Cecilie Røe, Marianne Mørk, Kjersti Myhre, Cathrine Brunborg, Jens Ivar Brox, Aasne Fenne Hoksrud

Kathrin Steffen, Roald Bahr, Benjamin Clarsen, Bjørn Fossan, Hilde Fredriksen, Hilde Gjelsvik, Lars Haugvad, Aasne Fenne Hoksrud, Erik Iversen, Anu Koivisto-Mørk, Ellen Moen, Vibeke Røstad, Tonje Reier-Nilsen, Thomas Torgalsen, Hilde Moseby Berge

Christopher J Nowinski, Hye Chang Rhim, Ann C McKee, Ross D Zafonte, David W Dodick, Robert C Cantu, Daniel H Daneshvar

Yannis P Pitsiladis, Fabio Pigozzi, Michael Geistlinger, José Kawazoe Lazzoli, Maher Zahar, Norbert Bachl, Pedro Manonelles Marqueta, William O Roberts, Klaus-Michael Braumann, Eduardo H De Rose, Demitri Constantinou, Anca Ionescu, Christian Schneider, Patrick Shu-Hang Yung, Xavier BigardSee the full list of authors

Muhammad Ikhwan Zein, Milo J K Mokkenstorm, Marco Cardinale, Louis Holtzhausen, Rod Whiteley, Maarten H Moen, Guus Reurink, Johannes L Tol, , for the Qatari and Dutch Hamstring Study Group, Emad Almusa, Roald Bahr, Sita M A Bierma-Zeinstra, Sirine Boukarroum, Stan BuckensSee the full list of authors

Leonard Achenbach, Hendrik Bloch, Christian Klein, Theresa Damm, Matthias Obinger, Maximilian Rudert, Werner Krutsch, Dominik Szymski

Paul Blazey, Alex Scott, Clare L Ardern, Jennifer C Davis, Jackie L Whittaker, Justin M Losciale, Karim M Khan

Rik Dawson, Jenni Suen, Catherine Sherrington, Wing Kwok, Marina B Pinheiro, Abby Haynes, Charlotte McLennan, Katy Sutcliffe, Dylan Kneale, Suzanne Dyer