References

1. Rosenfeldt F, Braun L, Spitzer O, Bradley S, Shepherd J, Bailey M, et al. Physical conditioning and mental stress reduction--a randomised trial in patients undergoing cardiac surgery. BMC Complement Altern Med. 2011;11:20.

2. Williams AD, O'Brien J, Mulford J, Mathew R, Thapa DK, Hamilton K, et al. Effect of combined exercise training and behaviour change counselling versus usual care on physical activity in patients awaiting hip and knee arthroplasty: A randomised controlled trial. Osteoarthritis and cartilage open. 2022;4(4):100308.