Table of contents

Editorials

• Potential use of new cooling technologies during Tokyo 2020 Olympics and associated ethical dilemmas (14 May, 2021)

  Borja Muniz-Pardos, Konstantinos Angeloudis, Fergus M Guppy, Kumpei Tanisawa, Yuri Hosokawa, Garrett Ash, Wolfgang Schobersberger, Andrew Grundstein, Victor Bargoria, Gerald O Lwande, James H Ombaka, Emin Ergen, Fumihiro Yamasawa, Sebastien Racinais, Douglas J Casa, Yannis P Pitsiladis
• Team Sport Risk Exposure Framework-2 (TS-REF-2) to identify sports activities and contacts at increased SARS-CoV-2 transmission risk during the COVID-19 pandemic (29 June, 2021)

  Ben Jones, Gemma Phillips, Clive Beggs, James Calder, Matthew Cross, Neil Pearce, Clint Readhead, Jenifer Smith, Keith A Stokes, Simon Kemp
• Methods matter: clinical prediction models will benefit sports medicine practice, but only if they are properly developed and validated (2 July, 2021)

  Garrett S Bullock, Tom Hughes, Jamie C Sergeant, Michael J Callaghan, Richard Riley, Gary Collins
• Protecting olympic participants from COVID-19: the trialled and tested process (16 July, 2021)

  Fabio Pigozzi, Bernd Wolfarth, Ana Cintron Rodriguez, Juergen Michael Steinacker, Victoriya Badtieva, James Lee John Bilzon, Christian Schneider, William O Roberts, Jeroen Swart, Demitri Constantinou, Michiko Dohi, Theodora Papadopoulou, Mark Hutchinson, Luigi Di Luigi, Maher Zahar, Raymond So, Fergus M Guppy, Jean-François Kaux, Upul Madahapola, Sandra Rozenstoka, Pedro Manonelles Marqueta, Jose Antonio Casajús, Sebastien Racinais, Konstantinos Natsis, Irina Zelenkova, Bulent Ulkar, Elif Ozdemir, Francisco Arroyo, André Pedrinelli, Mike Miller, Norbert Bachl, Michael Geistlinger, Yannis P Pitsiladis