Position statement part one: immune function and exercise

- Walsh, Neil P.; Gleeson, Michael; Rogers, Connie J.; Northoff, Hinnak; Abbasi, Ashgar; Simon, Perikles; Shephard, Roy J.; Gleeson, Maree; Woods, Jeffrey A.; Bishop, Nicolette C.; Fleshner, Monika; Green, Charlotte; Pedersen, Bente K.; Hoffman-Goete, Laurie